Removed HW encryption build flags and related code.

TARGET_HW_DISK_ENCRYPTION and TARGET_CRYPTFS_HW_PATH build flags
and related code in cryptfs.c are removed since it doesn't match
the driver in current tree.

To enable HW encryption, the driver needs to be hidlized.

Bug: 34268168

Test: compile
Change-Id: I507a0e2908b3c407c565e44873b82c94a8305de6
2 files changed