Fix build with clang

Remove 2 unused functions and 1 unused label in the
!ALLOW_ADBD_DISABLE_VERITY case

Change-Id: Id6b29f57bcb95e54f5a4014021d47d8ca6e4556e
Signed-off-by: Bernhard Rosenkränzer <Bernhard.Rosenkranzer@linaro.org>
Merge "Fix build with clang"