Revert "cifs nfs freezer"

This reverts commit 41dbdfbacc00015a2da40576e6fd27670f1b1994.
Revert "freezer: add unsafe versions of freezable helpers for CIFS"

This reverts commit e15141cfa3b9a669299b34ab0de73bd8eb12a09b.
Revert "reezer: skip waking up tasks with PF_FREEZER_SKIP set"

This reverts commit 723b4cecd8165a8df7e881f312686799cf706c5f.
Revert "freezer: shorten freezer sleep time using exponential backoff"

This reverts commit 61a27a6175bc98310b084db5c96ccb702e227123.
Revert "freezer: add new freezable helpers using freezer_do_not_count()"

This reverts commit af961d578917435dfcb3068c59df1ccb767aa82e.
Revert "binder: use freezable blocking calls"

This reverts commit bd07e858766173317a8ee7e0835083af528fd963.
Revert "epoll: use freezable blocking call"

This reverts commit 08bead255367c0fb35f51a99ec49523429e44249.
Revert "select: use freezable blocking call"

This reverts commit 4aff7ca5cf9d36dafc40c44241485b5a4189804f.
Revert "futex: use freezable blocking call"

This reverts commit c3a5327dcf5e1f9217e2308eec8a52f613b8919e.
Revert "nanosleep: use freezable blocking call"

This reverts commit 1e83867b52e8cd73785db12bcb4c9fdde13c8d81.
Revert "sigtimedwait: use freezable blocking call"

This reverts commit 018a0a3542afda934aa6e10752840d18d20b88a0.