Remove stale pixel expectations

Autogenerated CL from running:

//content/test/gpu/unexpected_pass_finder.py --project chrome-unexpected-pass-data --include-internal-builders --remove-stale-expectations --narrow-semi-stale-expectation-scope --num-samples 300 --suite pixel --jobs 4

Affected bugs for CL description:

R=rubber-stamper@appspot.gserviceaccount.com

Bug: 1517110
Change-Id: I3eef9a730f12bb0f273583298ee0d4e038d3e2ad
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5304838
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Auto-Submit: chrome-automated-expectation@chops-service-accounts.iam.gserviceaccount.com <chrome-automated-expectation@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1262069}

diff --git a/content/test/gpu/gpu_tests/test_expectations/pixel_expectations.txt b/content/test/gpu/gpu_tests/test_expectations/pixel_expectations.txt
index f137680..e4ac19fc6 100644
--- a/content/test/gpu/gpu_tests/test_expectations/pixel_expectations.txt
+++ b/content/test/gpu/gpu_tests/test_expectations/pixel_expectations.txt

@@ -376,7 +376,6 @@
 
 crbug.com/1376927 [ win10 target-cpu-32 nvidia-0x2184 ] Pixel_MediaFoundationClearDirectComposition [ Failure ]
 
-crbug.com/1517110 [ clang-coverage nvidia-0x2184 nvidia_lt_31.0.15.4601 release-x64 renderer-skia-gl target-cpu-64 win10 ] Pixel_Video_* [ RetryOnFailure ]
 crbug.com/1517110 [ debug-x64 no-clang-coverage nvidia-0x2184 nvidia_lt_31.0.15.4601 renderer-skia-gl target-cpu-64 win10 ] Pixel_Video_* [ RetryOnFailure ]