Go: Update expected diagnostics for go-files-not-processed

Author: mbg

go/ql/integration-tests/all-platforms/go/diagnostics/go-files-found-not-processed/diagnostics.expected

@@ -12,17 +12,3 @@
     "telemetry": true
   }
 }
-{
-  "markdownMessage": "[Specify a custom build command](https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-the-codeql-workflow-for-compiled-languages) that includes one or more `go build` commands to build the `.go` files to be analyzed.",
-  "severity": "error",
-  "source": {
-    "extractorName": "go",
-    "id": "go/autobuilder/go-files-found-but-not-processed",
-    "name": "Go files were found but not processed"
-  },
-  "visibility": {
-    "cliSummaryTable": true,
-    "statusPage": true,
-    "telemetry": true
-  }
-}