Revert indentation

It was added to fix the syntax highlighting but this also added this to
the commands. Picked from a commit from @tom93.

Author: vmcj

webapp/Makefile

@@ -68,7 +68,7 @@ composer-dependencies-dev:
 	composer $(subst 1,-q,$(QUIET)) install --prefer-dist --no-scripts --no-plugins
 
 composer-autoclean:
-	# Make sure we're running from a clean state:
+# Make sure we're running from a clean state:
 	composer auto-scripts
 
 maintainer-clean-l: