Staging:lustre:lclient:Remove unused function

Discard the function ccc_vmpage_page_transient as it is not used
anywhere in the kernel.
Used grep to find occurences.
Problem found using sparse.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/lclient/lcommon_cl.c

@@ -985,17 +985,6 @@ struct inode *ccc_object_inode(const struct cl_object *obj)
 	return cl2ccc(obj)->cob_inode;
 }
 
-/**
- * Returns a pointer to cl_page associated with \a vmpage, without acquiring
- * additional reference to the resulting page. This is an unsafe version of
- * cl_vmpage_page() that can only be used under vmpage lock.
- */
-struct cl_page *ccc_vmpage_page_transient(struct page *vmpage)
-{
-	KLASSERT(PageLocked(vmpage));
-	return (struct cl_page *)vmpage->private;
-}
-
 /**
  * Initialize or update CLIO structures for regular files when new
  * meta-data arrives from the server.