Bug 1619500 - [marionette, geckodriver] Update docs for team changes. a=doc-only

DONTBUILD

Depends on D65063

Differential Revision: https://phabricator.services.mozilla.com/D65064

--HG--
extra : moz-landing-system : lando

testing/geckodriver/doc/Building.md

@@ -18,7 +18,7 @@ since mach in this case does not have a compile environment:
 	% cd testing/geckodriver
 	% cargo build
 	…
-	   Compiling geckodriver v0.21.0 (file:///home/ato/src/gecko/testing/geckodriver)
+	   Compiling geckodriver v0.21.0 (file:///code/gecko/testing/geckodriver)
 	…
 	    Finished dev [optimized + debuginfo] target(s) in 7.83s
 

testing/marionette/doc/NewContributors.md

@@ -24,8 +24,8 @@ Accounts, communication
   2. For a direct communication with us it will be beneficial to setup [Matrix].
      Make sure to also register your nickname as described in the linked document.
 
-  3. Join our #interop channel, and introduce yourself to the team. :ato,
-     :AutomatedTester, :maja_zf, and :whimboo are all familiar with Marionette.
+  3. Join our #interop channel, and introduce yourself to the team. :jgraham,
+     :maja_zf, and :whimboo are all familiar with Marionette.
      We're nice, I promise, but we might not answer right away due to different
      time zones, time off, etc. So please be patient.
 

testing/marionette/doc/Patches.md

@@ -2,8 +2,8 @@ Submitting patches
 ==================
 
 You can submit patches by using [Phabricator]. Walk through its documentation
-in how to set it up, and uploading patches for review. Available reviewers are
-_ato_, _automatedtester_, or _whimboo_.
+in how to set it up, and uploading patches for review. Don't worry about which
+person to select for reviewing your code. It will be done automatically.
 
 Please also make sure to follow the [commit creation guidelines].