fix: remove invalid --release-urls-dir option from site_generator_v2

site_generator_v2.py only accepts --output, --repo-dir, --catalog-dir,
and --skip-catalog options. Removed the invalid --release-urls-dir that
was causing portal generation to fail.

Author: SckyzO

.github/workflows/full-build.yml

@@ -876,8 +876,7 @@ jobs:
           python3 -m core.engine.site_generator_v2 \
             --output index.html \
             --repo-dir . \
-            --catalog-dir catalog \
-            --release-urls-dir release-urls
+            --catalog-dir catalog
           echo "::endgroup::"
 
           echo "::group::📤 Publishing to gh-pages"