Remove stale gpu_process expectations

Removes expectations for the gpu_process suite that have been
determined to be stale. This only touches expectations that have passed
100% of the time on all builders.

Bug: 257109, 700522, 1028974, 1102542, 1155766
Change-Id: Iae762a64c60555b571827fcb6ec39c41d2e905d3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2591972Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>
Auto-Submit: Brian Sheedy <bsheedy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#837892}

content/test/gpu/gpu_tests/test_expectations/gpu_process_expectations.txt

@@ -56,13 +56,6 @@
 # results: [ Failure RetryOnFailure Skip ]
 # END TAG HEADER
 
-crbug.com/257109 [ linux ] GpuProcess_video [ Failure ]
-
-# Seems to have become flaky on Windows recently.
-crbug.com/700522 [ win ] GpuProcess_one_extra_workaround [ RetryOnFailure ]
-
-crbug.com/1028974 [ linux ] GpuProcess_feature_status_under_swiftshader [ RetryOnFailure ]
-
 # Dual-GPU NVIDIA MacBook Pros no longer activate the discrete GPU.
 crbug.com/681341 [ mac nvidia ] GpuProcess_mac_webgl_backgrounded_high_performance [ Skip ]
 crbug.com/681341 [ mac nvidia ] GpuProcess_mac_webgl_high_performance [ Skip ]
@@ -89,8 +82,5 @@ crbug.com/1084796 [ chromeos ] GpuProcess_readback_webgl_gpu_process [ Skip ]
 crbug.com/1099576 [ mac amd ] GpuProcess_mac_webgl_backgrounded_high_performance [ Skip ]
 crbug.com/1099576 [ mac intel ] GpuProcess_mac_webgl_backgrounded_high_performance [ Skip ]
 
-# GpuProcess_canvas2d is flaky on fuchsia.
-crbug.com/1102542 [ fuchsia ] GpuProcess_canvas2d [ Failure ]
-
 # Flaky on Fuchsia
 crbug.com/1087298 [ fuchsia ] GpuProcess_webgl_disabled_extension [ Skip ]