Update some trash script for M'uru encounter - SWP

* Update npc 25744 - allow damage and dispelling
* Update npc 25772 - use spell to summon npc 25824 on death
* Remove npcs 25885 and 225879 as they are handled by SD2

(based on commit ACID WOTLK[Update some trash script for M'uru encounter - SWP] - e702bc2)

Signed-off-by: Xfurry <xfurry@scriptdev2.com>