Correction made to scripts (DELETE/INSERT)

DELETE (records) added before the INSERT instructions.
File name correction

Oops, my bad :o

Should be 26, not 25
Quest 1532 ObjectRewardText text added

This adds the ObjectRewardText text for the Shaman quest: 1532
more info: https://www.getmangos.eu/issue.php?issueid=670#note2167
Merge pull request #174 from Chuck5ta/Rel20

Correction made to scripts (DELETE/INSERT)