DB/Misc: Fix Mog dorg the Wizened quest linking issues

Fix quest chain leading upto bomb them again

There are two versions of Mog'dorg the Wizened of which player should be able to complete either to start quest chain rather than quest chain only continueing if player completed http://www.wowhead.com/quest=10983 and player coming to dead end if http://www.wowhead.com/quest=10989 completed instead.