Pin KeyMint dependency to correct/specific version

libkeymint depends on the latest version of the HAL, which will soon be
bumped to v4. Since this implementation won't immediately be upgraded,
and this dependency seems unused, remove it.

Bug: 369375199
Test: Treehugger
Change-Id: I5e952595bb4d4d8a283b286b5054576394788f16
1 file changed