feat(Command): Remove spy command from AC and make it a module (#1401)

data/sql/updates/pending_db_world/rev_1549462763029736000.sql

@@ -0,0 +1,4 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1549462763029736000');
+
+DELETE FROM `trinity_string` WHERE `entry` BETWEEN 5062 AND 5071;
+DELETE FROM `command` WHERE `name` IN ('spy follow', 'spy unfollow', 'spy groupfollow', 'spy groupunfollow', 'spy clear', 'spy status');