Revert "bcache: add "clock" cache replacement policy" This reverts commit 55766dbc11bf6cb8516819a45a39544b967090f3. The interim patch has been replaced by an official commit 70bc173ce06be90b026bb00ea175567c91f006e4 bcache: reduce gc latency by processing less nodes and sleep less time BUG=b/466158659 TEST=presubmit RELEASE_NOTE=None cos-patch: bug Change-Id: I6dd97afc07e365b0e9da27c7932034ec5be8723d Signed-off-by: He Gao <hegao@google.com> Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/121927 Reviewed-by: Miri Amarilio <mirilio@google.com> Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com> Main-Branch-Verified: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com> Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/122027