Drop windows xp support and switch to windows 7+

OPSI/control

@@ -13,8 +13,8 @@ version: VERSION
 priority: PRIORITY
 licenseRequired: False
 productClasses: 
-setupScript: setup32.ins
-uninstallScript: uninstall32.ins
+setupScript: join.ins
+uninstallScript:
 updateScript: 
 alwaysScript: 
 onceScript: 
@@ -65,12 +65,3 @@ editable: True
 description: Password for privileged account
 values: [""]
 default: ["JoinAdminPW"]
-
-[ProductProperty]
-type: unicode
-name: localadminpw
-multivalue: False
-editable: True
-description: Local Administrator password
-values: [""]
-default: [""]