[Linux][Flaky] Remove redundant timeline-receive-response-event

Redundant line caused a consistent lint failure.

NoTry: True

Bug: 1046784
Change-Id: I74cf7cc3afeb2b01f5c7ca7c91335009078997ba
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2617787Reviewed-by: Jan Wilken Dörrie <jdoerrie@chromium.org>
Commit-Queue: Friedrich [CET] <fhorschig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#841455}

third_party/blink/web_tests/TestExpectations

@@ -5937,7 +5937,6 @@ crbug.com/1161352 [ Mac10.14 ] virtual/controls-refresh-hc/fast/forms/color-sche
 crbug.com/1161352 [ Mac10.14 ] external/wpt/webxr/xrSession_requestReferenceSpace_features.https.html [ Pass Failure Timeout ]
 
 # Failing on Webkit Linux Leak only:
-crbug.com/1046784 virtual/threaded/http/tests/devtools/tracing/timeline-receive-response-event.js [ Pass Failure ]
 crbug.com/1046784 http/tests/devtools/tracing/timeline-receive-response-event.js [ Pass Failure ]
 
 # Sheriff 2021-01-21