Remove troubleshooting step for broken buttons

These pages now use the safemodecheck include, except for kartdlphax,
which is added in this commit.

This also means we can remove the include arguments.

_pages/en_US/include/exploit-usm.txt

@@ -2,11 +2,6 @@ In this section, you will enter Safe Mode (a feature available on all 3DS family
 
 1. With your device still powered off, hold the following buttons: (Left Shoulder) + (Right Shoulder) + (D-Pad Up) + (A), and while holding these buttons together, power on your device
   + Keep holding the buttons until the device boots into Safe Mode (a "system update" menu)
-{%- if include.method == "hbl" or include.method == "kartdlphax" %}
-  + If you're unable to get into Safe Mode after multiple attempts, one of your buttons may be failing or broken. If this is the case, join [Nintendo Homebrew on Discord](https://discord.gg/MWxPgEp) and ask, in English, for help.
-{%- elsif include.method == "bb3" %}
-  + If you're unable to get into Safe Mode after multiple attempts, one of your buttons may be failing or broken. If this is the case, you will need to follow [an alternate branch of BannerBomb3](installing-boot9strap-(fredtool)). For assistance with this matter, join [Nintendo Homebrew on Discord](https://discord.gg/MWxPgEp) and ask, in English, for help.
-{%- endif %}
 1. Press "OK" to accept the update
   + There is no update. This is part of the exploit
 1. Press "I accept" to accept the terms and conditions

_pages/en_US/installing-boot9strap-(hbl-usm).txt

@@ -56,7 +56,7 @@ In this section, you will use Homebrew Launcher to launch slotTool, which will o
 
 #### Section II - unSAFE_MODE
 
-{% include_relative include/exploit-usm.txt method="hbl" %}
+{% include_relative include/exploit-usm.txt %}
 
 #### Section III - Installing boot9strap
 

_pages/en_US/installing-boot9strap-(kartdlphax).txt

@@ -30,9 +30,6 @@ In order to follow these instructions, you will need the following:
 - A physical or digital copy of Mario Kart 7 that is the same region as both consoles
 - An SD card for both devices
 
-If the (Right/Left Shoulder), (D-Pad Up), or (A) buttons on the **target 3DS** do not work, you will not be able to follow these instructions. For further assistance with this matter, join [Nintendo Homebrew on Discord](https://discord.gg/MWxPgEp) and ask, in English, for help.
-{: .notice--warning}
-
 ### What You Need
 
 On the **source 3DS** (the 3DS with custom firmware):
@@ -47,7 +44,14 @@ On the **target 3DS** (the 3DS that you are trying to modify):
 * The latest release of [standard Luma3DS](https://github.com/LumaTeam/Luma3DS/releases/latest) (the Luma3DS `.zip` file)
 * The latest release of [unSAFE_MODE](https://github.com/zoogie/unSAFE_MODE/releases/latest) (the RELEASE `.zip` file)
 
-#### Section I - Prep Work (source 3DS)
+#### Section I - Hardware Button Check (target 3DS)
+
+{% include_relative include/safemodecheck.txt %}
+
+If you do not boot into Safe Mode, the system update menu after multiple attempts, you cannot follow this method. If this is the case, join [Nintendo Homebrew on Discord](https://discord.gg/MWxPgEp) and ask, in English, for help.
+{: .notice--warning}
+
+#### Section II - Prep Work (source 3DS)
 
 In this section, you will set up your source 3DS (the 3DS with custom firmware) for delivery of the exploit data to the target 3DS.
 
@@ -61,7 +65,7 @@ In this section, you will set up your source 3DS (the 3DS with custom firmware)
   - Create the `plugins` and `00040000...` folders if they do not already exist
 1. Eject the SD card and put it in the **source 3DS**
 
-#### Section II - Prep Work (target 3DS)
+#### Section III - Prep Work (target 3DS)
 
 In this section, you will copy the files needed to trigger the unSAFE_MODE exploit onto your target 3DS (the 3DS that you are trying to modify)'s SD card.
 
@@ -75,7 +79,7 @@ In this section, you will copy the files needed to trigger the unSAFE_MODE explo
 1. Copy the `slotTool` folder from the unSAFE_MODE `.zip` to the `3ds` folder on your SD card
 1. Eject the SD card and put it in the **target 3DS**
 
-#### Section III - kartdlphax
+#### Section IV - kartdlphax
 
 In this section, you will use Download Play to transfer the exploit data from the source 3DS to the target 3DS, which can be used to overwrite your Wi-Fi slots with hacked data. Your Wi-Fi connection settings will be temporarily overwritten while the exploit is active.
 
@@ -111,18 +115,18 @@ In this section, you will use Download Play to transfer the exploit data from th
 You will **not** need to use your **source 3DS** to complete any further steps on this guide. Any further steps should only be completed on the **target 3DS**.
 {: .notice--info}
 
-#### Section IV - unSAFE_MODE
+#### Section V - unSAFE_MODE
 
-{% include_relative include/exploit-usm.txt method="kartdlphax" %}
+{% include_relative include/exploit-usm.txt %}
 
-#### Section V - Installing boot9strap
+#### Section VI - Installing boot9strap
 
 {% include_relative include/install-boot9strap-safeb9sinstaller.txt %}
 {%- include_relative include/configure-luma3ds.txt %}
 
 {% include_relative include/luma3ds-installed-note.txt %}
 
-#### Section VI - Restoring WiFi Configuration Profiles
+#### Section VII - Restoring WiFi Configuration Profiles
 
 {% include_relative include/remove-usm-slottool.txt %}
 

_pages/en_US/installing-boot9strap-(safecerthax).txt

@@ -60,7 +60,6 @@ In this section, you will enter Safe Mode (a feature available on all 3DS family
 
 1. With your device still powered off, hold the following buttons: (Left Shoulder) + (Right Shoulder) + (D-Pad Up) + (A), and while holding these buttons together, power on your device
   + Keep holding the buttons until the device boots into Safe Mode (a "system update" menu)
-  + If you're unable to get into Safe Mode after multiple attempts, one of your buttons may be failing or broken. If this is the case, you will need to follow [an alternate exploit](seedminer). For assistance with this matter, join [Nintendo Homebrew on Discord](https://discord.gg/MWxPgEp) and ask, in English, for help.
 1. Press "OK" to accept the update
   + There is no update. This is part of the exploit
 1. Press "I accept" to accept the terms and conditions

_pages/en_US/installing-boot9strap-(usm).txt

@@ -70,7 +70,7 @@ In this section, you will trigger the BannerBomb3 exploit using the DSiWare Mana
 
 #### Section III - unSAFE_MODE
 
-{% include_relative include/exploit-usm.txt method="bb3" %}
+{% include_relative include/exploit-usm.txt %}
 
 #### Section IV - Installing boot9strap