[FIX] Remove now non-functioning deprecated Google Maps plugin using v2 api, replace existing maps in Tiki that used it to use OpenLayers maps, transfer the default lon,lat,zoom settings to apply to OpenLayers maps

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48608 b456876b-0849-0410-b77d-98878d47e9d5