Autoroller: don't run presubmit hooks

The presubmit lint checks require GN but it is not downloaded because runhooks is avoided on the autoroller bot.
The trybots in Gerrit UI should catch the same errors anyway, if they somehow happen.

Also minor cleanup of obsolete flag

No-Try: True
Bug: chromium:836566
Change-Id: I8bf03b8e155343f723c6fdda37210d9161da984c
Reviewed-on: https://webrtc-review.googlesource.com/c/103620
Commit-Queue: Oleh Prypin <oprypin@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24967}

tools_webrtc/autoroller/roll_deps.py

diff --git a/tools_webrtc/autoroller/roll_deps.py b/tools_webrtc/autoroller/roll_deps.py
index 69526be..9999c6f 100755
--- a/tools_webrtc/autoroller/roll_deps.py
+++ b/tools_webrtc/autoroller/roll_deps.py
@@ -592,7 +592,7 @@
     - 1: Run trybots but do not submit to CQ.
     - 0: Skip CQ, upload only.
   """
-  cmd = ['git', 'cl', 'upload', '-f', '--gerrit']
+  cmd = ['git', 'cl', 'upload', '--force', '--bypass-hooks']
   if commit_queue_mode >= 2:
     logging.info('Sending the CL to the CQ...')
     cmd.extend(['--use-commit-queue', '--send-mail'])
@@ -627,10 +627,6 @@
   p.add_argument('-r', '--revision',
                  help=('Chromium Git revision to roll to. Defaults to the '
                        'Chromium HEAD revision if omitted.'))
-  p.add_argument('-u', '--rietveld-email',
-                 help=('E-mail address to use for creating the CL at Rietveld'
-                       'If omitted a previously cached one will be used or an '
-                       'error will be thrown during upload.'))
   p.add_argument('--dry-run', action='store_true', default=False,
                  help=('Calculate changes and modify DEPS, but don\'t create '
                        'any local branch, commit, upload CL or send any '