[WifiScannerScanTest] Remove invalid and unsupported tests

test_wifi_connection_while_single_scan and test_wifi_scans_24GHz_5GHz_and_DFS
are invalid. Please see bugs

Cherry picked changes from git_master

Bug: 118357711
Bug: 68223664
Test: None
Change-Id: I93a341c9c4d052e228fd79a285dba272be047353
Merged-In: I7667d3ad923b58a701db3e2b316c33f6018ef7db
2 files changed
tree: 65c5def2027d30dd95df8c2754d3015f69279696
  1. acts/
  2. tools/
  3. wts-acts/
  4. Android.mk
  5. OWNERS
  6. PREUPLOAD.cfg