Remove unused API tracking files

The modules that generated these api tracking files were removed in
the change Ib8ec547871045f77fb73aa82f192b5a7767d0c33.

Remove the now-stale files too.

Bug: 171029603
Test: presubmit
Change-Id: If6b849febcf0a89b6b67e7acd79b8bcd9985e6ca
3 files changed