CodeGen from PR 15749 in Azure/azure-rest-api-specs

[Hub Generated] Review request for Microsoft.Insights to add version stable/2018-03-01 (#15749)

* Change example to auto mitigate true

* Remove not equals from supported operators

* add some more auto mitigate true to examples

Author: SDKAuto

schemas/2018-03-01/Microsoft.Insights.json

@@ -819,7 +819,6 @@
               "type": "string",
               "enum": [
                 "Equals",
-                "NotEquals",
                 "GreaterThan",
                 "GreaterThanOrEqual",
                 "LessThan",