Delete almost correct CHECK

The bytes_allocated + freed_bytes >= bytes_allocated_before_gc
CHECK could fail if we expand space use as a result of copying,
and perhaps for other reasons. Delete it, and have the later code
deal with the fact that it may not hold.

Test: Build and boot AOSP.
Bug: 194263989
Change-Id: I9188a7cd13661c16b1b69a90d1f03d60548db217
1 file changed