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>
diff --git a/drivers/staging/lustre/lustre/lclient/lcommon_cl.c b/drivers/staging/lustre/lustre/lclient/lcommon_cl.c
index 34dde7d..4dfeb4e 100644
--- a/drivers/staging/lustre/lustre/lclient/lcommon_cl.c
+++ b/drivers/staging/lustre/lustre/lclient/lcommon_cl.c
@@ -986,17 +986,6 @@
 }
 
 /**
- * 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.
  *