[REF] web: tests: remove QUnit.skipWOWL

This function helped us managing the transition from the legacy
/web codebase to owl, and we don't need it anymore as there's no
test using it.

Part-of: odoo/odoo#97415

addons/web/static/tests/qunit.js

@@ -356,11 +356,6 @@
         setQUnitDebugMode();
     }
 
-    const skip = QUnit.skip;
-    QUnit.skipWOWL = (name, cb) => {
-        skip(name, cb);
-    };
-
     // Override global UnhandledRejection that is assigned wayyy before this file
     // Do not really crash on non-errors rejections
     const qunitUnhandledReject = QUnit.onUnhandledRejection;