Revert "Switch CrOS expectation to retry"

This reverts commit e3ada6ea.

Reason for revert: Workaround does not fully work.

Original change's description:
> Switch CrOS expectation to retry
> 
> Switches the expectation for
> conformance/textures/misc/texture-size-limit.html from "Skip" to
> "RetryOnFailure", as the issue the test was causing for subsequent tests
> has been worked around.
> 
> TBR=ynovikov@chromium.org
> 
> Bug: 1043953
> Change-Id: Iff573b37d981c8777e8373ebd8fd025ee2beac3a
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2015982
> Reviewed-by: Brian Sheedy <bsheedy@chromium.org>
> Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
> Commit-Queue: Brian Sheedy <bsheedy@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#734330}

TBR=ynovikov@chromium.org,bsheedy@chromium.org

Change-Id: I4e41b33af4b79527e729306ef699edbd83e08a9b
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 1043953
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2017089Reviewed-by: Brian Sheedy <bsheedy@chromium.org>
Commit-Queue: Brian Sheedy <bsheedy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734579}

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

@@ -553,9 +553,8 @@ crbug.com/957807 [ chromeos ] conformance/rendering/line-rendering-quality.html
 crbug.com/957807 [ chromeos ] conformance/uniforms/uniform-samplers-test.html [ Skip ]
 crbug.com/957807 [ chromeos ] deqp/data/gles2/shaders/conversions.html [ Skip ]
 crbug.com/957807 [ chromeos ] deqp/data/gles2/shaders/swizzles.html [ Skip ]
-# There is a crash, likely in this test, causing the root partition to become
-# read-only.
-crbug.com/1043953 [ chromeos ] conformance/textures/misc/texture-size-limit.html [ RetryOnFailure ]
+# There is a crash, likely in this test, causing all following tests in the shard to fail.
+crbug.com/1043953 [ chromeos ] conformance/textures/misc/texture-size-limit.html [ Skip ]
 
 # ChromeOS: AMD
 crbug.com/995652 [ chromeos amd ] conformance/uniforms/out-of-bounds-uniform-array-access.html [ Skip ]