Ignore gcs deps for gclient gitmodules

Bug: 328065301
Change-Id: I1942a61b4cd2c4f489b7227dea08408dd0c7cb9b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/5473744
Reviewed-by: Josip Sokcevic <sokcevic@chromium.org>
Auto-Submit: Joanna Wang <jojwang@chromium.org>
Commit-Queue: Joanna Wang <jojwang@chromium.org>

gclient.py

@@ -3181,7 +3181,7 @@ def CMDgitmodules(parser, args):
         for path, dep in ls.get('deps').items():
             if path in options.skip_dep:
                 continue
-            if dep.get('dep_type') == 'cipd':
+            if dep.get('dep_type') != 'git':
                 continue
             try:
                 url, commit = dep['url'].split('@', maxsplit=1)