cachefiles: remove two unused pagevecs.
cachefiles: remove two unused pagevecs.


These two have been unused since

commit c4d6d8dbf335c7fa47341654a37c53a512b519bb
    CacheFiles: Fix the marking of cached pages

in 3.8.

Signed-off-by: NeilBrown <1c00aa603bb92d594c03cff60ecf8e63b2a5bcb1@suse.de>
Signed-off-by: David Howells <ebac1d06c1688626821bb0e574a037a7a5354e49@redhat.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs