MT#63198 Fix 15768.down script

The down script tries removing some triggers from the wrong database,
add "USE provisioning" to fix it.

Change-Id: I407fde403aa5ee0a87282db0cf53d57d11155422
(cherry picked from commit 891dc81416)

db_scripts/diff/15768.down

@@ -2,6 +2,8 @@ USE kamailio;
 
 drop table reseller_preferences;
 
+USE provisioning;
+
 drop trigger voip_resellerpref_crepl_trig;
 drop trigger voip_resellerpref_urepl_trig;
-drop trigger voip_resellerpref_drepl_trig;
+drop trigger voip_resellerpref_drepl_trig;