[node] also remove deleted files that are gitignored.

R=machenbach@chromium.org

Bug: v8:8584
Change-Id: If7947ef3e06e3808476625690227fe93b7728d7b
Reviewed-on: https://chromium-review.googlesource.com/c/1375649Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58206}

tools/node/fetch_deps.py

@@ -24,8 +24,6 @@ GCLIENT_SOLUTION = [
       # These deps are already part of Node.js.
       "v8/base/trace_event/common"            : None,
       "v8/third_party/googletest/src"         : None,
-      "v8/third_party/jinja2"                 : None,
-      "v8/third_party/markupsafe"             : None,
       # These deps are unnecessary for building.
       "v8/test/benchmarks/data"               : None,
       "v8/testing/gmock"                      : None,

tools/node/update_node.py

@@ -94,7 +94,7 @@ def UpdateTarget(repository, options, files_to_keep):
   git_args.append(["remote", "add", "source", source])  # point to source repo
   git_args.append(["fetch", "source", "HEAD"])          # sync to current branch
   git_args.append(["checkout", "-f", "FETCH_HEAD"])     # switch to that branch
-  git_args.append(["clean", "-fd"])                     # delete removed files
+  git_args.append(["clean", "-fxd"])                    # delete removed files
 
   if files_to_keep:
     git_args.append(["cherry-pick", "master"])    # restore kept files