Set CODEQL_EXTRACTOR_GO_BUILD_TRACING in init

src/languages.ts

@@ -1,5 +1,3 @@
-import * as core from "@actions/core";
-
 import { Logger } from "./logging";
 
 // All the languages supported by CodeQL
@@ -47,10 +45,6 @@ export function isTracedLanguage(language: Language, logger: Logger): boolean {
     );
   }
 
-  if (language === Language.go) {
-    core.exportVariable("CODEQL_EXTRACTOR_GO_BUILD_TRACING", "on");
-  }
-
   return [
     Language.cpp,
     Language.csharp,