NFS: Remove unused function nfs_wb_page()

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

fs/nfs/write.c

@@ -2115,11 +2115,6 @@ out_error:
 	return ret;
 }
 
-int nfs_wb_page(struct inode *inode, struct page *page)
-{
-	return nfs_wb_folio(inode, page_folio(page));
-}
-
 #ifdef CONFIG_MIGRATION
 int nfs_migrate_folio(struct address_space *mapping, struct folio *dst,
 		struct folio *src, enum migrate_mode mode)

include/linux/nfs_fs.h

@@ -580,7 +580,6 @@ extern int  nfs_update_folio(struct file *file, struct folio *folio,
 extern int nfs_sync_inode(struct inode *inode);
 extern int nfs_wb_all(struct inode *inode);
 extern int nfs_wb_folio(struct inode *inode, struct folio *folio);
-extern int nfs_wb_page(struct inode *inode, struct page *page);
 int nfs_wb_folio_cancel(struct inode *inode, struct folio *folio);
 extern int  nfs_commit_inode(struct inode *, int);
 extern struct nfs_commit_data *nfs_commitdata_alloc(void);