Remove NODE_OPTIONS from CI workflow

Phoenix runners work fine without the max-old-space-size override.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: sbryngelson

.github/workflows/test.yml

@@ -196,7 +196,6 @@ jobs:
       group:  phoenix
       labels: ${{ matrix.runner }}
     env:
-      NODE_OPTIONS: ${{ matrix.cluster == 'phoenix' && '--max-old-space-size=2048' || '' }}
       ACTIONS_RUNNER_FORCE_ACTIONS_NODE_VERSION: node16
       ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
     steps: