Remove bad VCS entry.
Remove bad VCS entry.

Top of the checkout is not a git repo for repo checkouts.
It was added in https://android-review.googlesource.com/c/platform/frameworks/support/+/1232562/
Undo it.

Test: studio no longer complains about invalid git path.
Change-Id: I99ffe338e5cd210581d697a04e7eac601081da1c

androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx