fix(DB/creature_text): "Scarlet Medic" / "Scarlet Infantryman" (#2029)

Remove on aggro text "Light bless you, my child." for "Scarlet Medic" and "Scarlet Infantryman".

data/sql/updates/pending_db_world/rev_1561842370323631350.sql

@@ -0,0 +1,3 @@
+INSERT INTO `version_db_world` (`sql_rev`) VALUES ('1561842370323631350');
+
+DELETE FROM `creature_text` WHERE `CreatureID` IN (28608,28609) AND `id` = 6;