ext4: remove redundant #ifdef in super.c

There is already an #ifdef CONFIG_QUOTA some lines above,
so this one is totally useless.
Signed-off-by: NWANG Cong <amwang@redhat.com>
Signed-off-by: N"Theodore Ts'o" <tytso@mit.edu>

fs/ext4/super.c

@@ -1203,9 +1203,7 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
 				const char *data, size_t len, loff_t off);
 
 static const struct dquot_operations ext4_quota_operations = {
-#ifdef CONFIG_QUOTA
 	.get_reserved_space = ext4_get_reserved_space,
-#endif
 	.write_dquot	= ext4_write_dquot,
 	.acquire_dquot	= ext4_acquire_dquot,
 	.release_dquot	= ext4_release_dquot,