gfs2: Rename GLF_VERIFY_EVICT to GLF_VERIFY_DELETE

[ Upstream commit 820ce8ed ]

Rename the GLF_VERIFY_EVICT flag to GLF_VERIFY_DELETE: that flag
indicates that we want to delete an inode / verify that it has been
deleted.

To match, rename gfs2_queue_verify_evict() to
gfs2_queue_verify_delete().

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Stable-dep-of: 7c6f714d ("gfs2: Fix unlinked inode cleanup")
Signed-off-by: Sasha Levin <sashal@kernel.org>