bot_update: Don't pass reset-fetch-config to gclient

Forgot to remove it in https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1135645

No-Presubmit: True
Tbr: agable@chromium.org
Bug: 862547
Change-Id: I926959cd91a89d8e77ae000543b00b667b5eb25f
Reviewed-on: https://chromium-review.googlesource.com/1137362
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>

recipes/recipe_modules/bot_update/resources/bot_update.py

@@ -355,8 +355,7 @@ def gclient_sync(
 
   args = ['sync', '--verbose', '--reset', '--force',
           '--ignore_locks', '--output-json', gclient_output_file,
-          '--nohooks', '--noprehooks', '--delete_unversioned_trees',
-          '--reset-fetch-config']
+          '--nohooks', '--noprehooks', '--delete_unversioned_trees']
   if with_branch_heads:
     args += ['--with_branch_heads']
   if with_tags: