Remove gcEnabled for multitab test

[wu-hui]

No description provided.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 57a5616

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[google-oss-bot]

Size Report ¹

Affected Products

No changes between base commit (0a27d2f) and merge commit (89ef898).

Test Logs

• Base (0a27d2f): https://github.com/firebase/firebase-js-sdk/actions/runs/4736586021
• Merge (89ef898): https://github.com/firebase/firebase-js-sdk/actions/runs/4744580483

1. https://storage.googleapis.com/firebase-sdk-metric-reports/VGq1GPwdGG.html

[google-oss-bot]

Size Analysis Report ¹

Affected Products

No changes between base commit (0a27d2f) and merge commit (89ef898).

Test Logs

• Base (0a27d2f): https://github.com/firebase/firebase-js-sdk/actions/runs/4736586021
• Merge (89ef898): https://github.com/firebase/firebase-js-sdk/actions/runs/4744580483

1. https://storage.googleapis.com/firebase-sdk-metric-reports/8oOr2ZR3Xv.html

[dconeybe]

Note: See #6943 (comment) for full rationale