Remove unnecessary directory creation that is handled by outputJson

extensions/ql-vscode/src/variant-analysis/variant-analysis-results-manager.ts

@@ -1,4 +1,4 @@
-import { appendFile, pathExists, mkdir } from "fs-extra";
+import { appendFile, pathExists } from "fs-extra";
 import fetch from "node-fetch";
 import { EOL } from "os";
 import { join } from "path";
@@ -78,10 +78,6 @@ export class VariantAnalysisResultsManager extends DisposableObject {
       repoTask.repository.fullName,
     );
 
-    if (!(await pathExists(resultDirectory))) {
-      await mkdir(resultDirectory, { recursive: true });
-    }
-
     await writeRepoTask(resultDirectory, repoTask);
 
     const zipFilePath = join(resultDirectory, "results.zip");