vfs: remove ".readlink = generic_readlink" assignments

If .readlink == NULL implies generic_readlink().

Generated by:

to_del="\.readlink.*=.*generic_readlink"
for i in `git grep -l $to_del`; do sed -i "/$to_del"/d $i; done

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

fs/kernfs/symlink.c

@@ -135,7 +135,6 @@ static const char *kernfs_iop_get_link(struct dentry *dentry,
 
 const struct inode_operations kernfs_symlink_iops = {
 	.listxattr	= kernfs_iop_listxattr,
-	.readlink	= generic_readlink,
 	.get_link	= kernfs_iop_get_link,
 	.setattr	= kernfs_iop_setattr,
 	.getattr	= kernfs_iop_getattr,