test_nodeobs_autoconfig: use global mocha timeout

* remove timeout I added in commit 25eaa10. Use global timeout

Author: sandboxcoder

tests/osn-tests/src/test_nodeobs_autoconfig.ts

@@ -9,7 +9,6 @@ import { deleteConfigFiles } from '../util/general';
 const testName = 'nodeobs_autoconfig';
 
 describe(testName, function() {
-    this.timeout(30000)
     let obs: OBSHandler;
     let hasTestFailed: boolean = false;