WifiServiceImpl - clean up before moving mode-independent API calls here

It's about time someone cleaned up the cruft accumulated through the years.

Bug: 138403307
Test: ./tests/wifitests/runtests.sh
Change-Id: I0697d6d34ad59110612cd649bd8a6276a4118e2f
1 file changed
tree: c695fe5bcd9b848f9a577d1b12c9efe7f91b4d8b
  1. service/
  2. PREUPLOAD.cfg