Remove old cipd clobber gclient hook

The bug it relied on is fixed now.

Bug: 794764
Change-Id: Ifb52b474590966e19768a122a042fa708569a2d2
Reviewed-on: https://chromium-review.googlesource.com/c/1308907Reviewed-by: John Budorick <jbudorick@chromium.org>
Commit-Queue: Stephen Martinis <martiniss@chromium.org>
Cr-Commit-Position: refs/heads/master@{#605096}

DEPS

@@ -2450,19 +2450,6 @@ hooks = [
                 '-d', 'src/components/zucchini',
     ],
   },
-
-  {
-    # We used to use src as a CIPD root. We moved it to a different directory
-    # in crrev.com/c/930178 but left the clobber here to ensure that that CL
-    # could be reverted safely. This can be safely removed once crbug.com/794764
-    # is resolved.
-    'name': 'Android Clobber Deprecated CIPD Root',
-    'pattern': '.',
-    'condition': 'checkout_android',
-    'action': ['src/build/cipd/clobber_cipd_root.py',
-               '--root', 'src',
-    ],
-  },
   {
     'name': 'Fetch Android AFDO profile',
     'pattern': '.',