Bug 1792744: Remove the update-actions skip step r=jewilde

We can remove one of the steps - if you don't want update-actions
then don't specify any.

Differential Revision: https://phabricator.services.mozilla.com/D158292

python/mozbuild/mozbuild/vendor/moz_yaml.py

@@ -179,7 +179,6 @@ vendoring:
     - include
     - exclude
     - move-contents
-    - update-actions
     - hg-add
     - spurious-check
     - update-moz-yaml

python/mozbuild/mozbuild/vendor/vendor_manifest.py

@@ -161,11 +161,8 @@ class VendorManifest(MozbuildObject):
         else:
             self.logInfo({}, "Skipping fetching upstream source.")
 
-        if self.should_perform_step("update-actions"):
-            self.logInfo({}, "Updating files")
-            self.update_files(new_revision)
-        else:
-            self.logInfo({}, "Skipping running the update actions.")
+        self.logInfo({}, "Checking for update actions")
+        self.update_files(new_revision)
 
         if self.should_perform_step("hg-add"):
             self.logInfo({}, "Registering changes with version control.")