remove old files

scripts/SignClientSettings.json

@@ -1,13 +0,0 @@
-{
-  "SignClient": {
-    "AzureAd": {
-      "AADInstance": "https://login.microsoftonline.com/",
-      "ClientId": "c248d68a-ba6f-4aa9-8a68-71fe872063f8",
-      "TenantId": "16076fdc-fcc1-4a15-b1ca-32c9a255900e"
-    },
-    "Service": {
-      "Url": "https://codesign.dotnetfoundation.org/",
-      "ResourceId": "https://SignService/3c30251f-36f3-490b-a955-520addb85001"
-    }
-  }
-}