bcachefs: Delete atomic_inc_bug()

These were wrappers around atomic operations that verified that the
counter wasn't negative, but they're dead code - delete.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2022-11-13 20:53:24 -05:00
commit 961cbdef3c