Remove all submodules.

Submodules are not supported by the current Android platfrom development tool chain, so only make git do extra work. Even worse, misconfigured submodules that break git-based workflows can be submitted without triggering a presubmit failure.

Test: TreeHugger
Bug: 109878533
Change-Id: I3f09ca41e8349267d39a16fcf279dce33c4013d7
1 file changed
tree: e7ed6fd1da206e5a1c0a288b3c6fe3b83f18cfd2
  2. PMC/
  3. PREUPLOAD.cfg
  4. UID/
  5. sl4n/