Fix unrestored stashed changes in post-commit hook

If the style checker of the rule linter failed, the stashed changes were
not restored. There is no reason to exist with an error code in a post
hook. In pre hooks this causes the action to be aborted.

scripts/hooks/post-commit

@@ -18,7 +18,6 @@ if [ $? == 0 ]; then
 else
   echo 'Style checker failed 😭';
   echo 'Check style-checker-output.log for details';
-  exit 1;
 fi
 
 # Run rule linter and print state (it doesn't block the commit)
@@ -28,7 +27,6 @@ if [ $? == 0 ]; then
 else
   echo 'Rule linter failed 😭';
   echo 'Check rule-linter-output.log for details';
-  exit 2;
 fi
 
 # Restore stashed changes