Remove import comment on camera metadata HAL.

No good place in generated docs.

Bug: 124382459
Test: ./update-makefiles.sh
Change-Id: I7802d12c34b33be192c83fc46ffed5a6a7385a0a
Merged-In: I7802d12c34b33be192c83fc46ffed5a6a7385a0a
2 files changed