Fix for Bug #2065: New check out crashes on sqlite migration

I apparently missed one drop tables statement that was actually needed
when I did the cleaning to make this work for old sqlite versions.

OpenSim/Data/SQLite/Resources/006_RegionStore.sql

@@ -53,6 +53,7 @@ CREATE TABLE estateban (
   bannedNameMask varchar(64) default NULL
 );
 
+drop table regionsettings;
 CREATE TABLE regionsettings (
   regionUUID char(36) NOT NULL,
   block_terraform int(11) NOT NULL,