Removing unused variables
Summary:
# Summary
- Removing unused variable causing failures in the PR imported diff. D34521686
Test Plan: Test run in Signals
Reviewed By: seemethere, osalpekar
Differential Revision: D35686725
fbshipit-source-id: b697d81ac2abbe5da354da9b0f33eb9359a99359
(cherry picked from commit 0791e520a64e97276ca8325c3fca2326710b64b3)
