WifiDiagnostics: remove getAllRingBufferData()

This method is unused. Remove it.

BUG=27173141
TEST=wifitests/runtest.sh

Change-Id: I09a7f6f5eb9fcd60c9bd1841f7e7f2a1a2a0d5fa
1 file changed
tree: fbb061da1d28bef54326b122695f94cdd3926aed
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/