Revert "mm: introduce __lru_cache_add_active_or_unevictable"

This reverts commit 2536f11b.

Bug: 128240262
Change-Id: I54aa09970c5967cfa7a93deca52f28773e27c041
Signed-off-by: Minchan Kim <minchan@google.com>
[dereference23: Forward port to msm-5.4]
Signed-off-by: Alexander Winkowski <dereference23@outlook.com>