Add script for Tortured Druids/Sentinel in Silithus

* They will now emote and spawn a Hive'Ashi Drone on death (75% chance).
* Tortured druid also had its combat AI added. Spell IDs are correct.
Timers and threshold are guesswork (probably close to correct) based on
similar NPCs scripts.
Related to Classic DB issue:
https://github.com/classicdb/database/issues/653
Fix previous commit

* Comment out the update content
Merge pull request #8 from cala/hive-ashi-drones

Add script for Tortured Druids/Sentinel in Silithus