Remove expectation for correct-events-for-short-animations-with-syncbases.html

This test doesn't appear to be flaky any longer.

Tbr: schenney@chromium.org
Bug: 981522
Change-Id: I5d39dd67cec50c6e467417dca38d112660f1012d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1834350Reviewed-by: Fredrik Söderquist <fs@opera.com>
Commit-Queue: Fredrik Söderquist <fs@opera.com>
Cr-Commit-Position: refs/heads/master@{#701999}

third_party/blink/web_tests/TestExpectations

@@ -6014,7 +6014,6 @@ crbug.com/989717 [ Fuchsia ] http/tests/preload/avoid_delaying_onload_link_prelo
 crbug.com/988074 [ Linux ] virtual/omt-worker-fetch/http/tests/security/cors-rfc1918/addressspace-serviceworker-basic.html [ Pass Failure ]
 
 # Sheriff 2019-08-05
-crbug.com/981522 [ Linux ] external/wpt/svg/animations/correct-events-for-short-animations-with-syncbases.html [ Pass Failure Timeout ]
 crbug.com/991243 [ Linux ] external/wpt/workers/semantics/multiple-workers/003.html [ Pass Timeout ]
 crbug.com/991243 [ Linux ] virtual/omt-worker-fetch/external/wpt/workers/semantics/multiple-workers/003.html [ Pass Timeout ]