Removing list of allowed values for region now

All regions are now supported, so removing the allowed list

Tools/Transformations-Library/Masking/MaskingDCR.json

@@ -10,11 +10,6 @@
         },
         "location": {
             "defaultValue": "westus2",
-            "allowedValues": [
-                "westus2",
-                "eastus2",
-                "eastus2euap"
-            ],
             "type": "String",
             "metadata": {
                 "description": "Specifies the location in which to create the Data Collection Rule."
@@ -88,4 +83,4 @@
             "value": "[resourceId('Microsoft.Insights/dataCollectionRules',parameters('dataCollectionRuleName'))]"
         }
     }
-}
+}