LU-5971 llite: rename ccc_page to vvp_page

LU-5971 llite: rename ccc_page to vvp_page

Rename struct ccc_page to struct vvp_page and remove obsolete CCC page
methods.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Change-Id: Ie45b23230fdaed5c3004e73d1faf5d6a4af32447
Reviewed-on: http://review.whamcloud.com/13086
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>