Revert "[Fuchsia] Filter broken webgl test"

This reverts commit 1fa9702a.

Reason for revert: Angle issue causing this failure has been addressed.

Original change's description:
> [Fuchsia] Filter broken webgl test
>
> Bug: 1141040
> Change-Id: I80a3482481762231b35a7cba82bb3781f6706b1d
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2490331
> Auto-Submit: Chong Gu <chonggu@google.com>
> Reviewed-by: Brian Sheedy <bsheedy@chromium.org>
> Commit-Queue: Chong Gu <chonggu@google.com>
> Cr-Commit-Position: refs/heads/master@{#819655}

TBR=bsheedy@chromium.org,chonggu@google.com

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 1141040
Change-Id: I214974d3dcdb9c552f3353726741d9f1a8d178c2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2499581Reviewed-by: Brian Sheedy <bsheedy@chromium.org>
Commit-Queue: Chong Gu <chonggu@google.com>
Cr-Commit-Position: refs/heads/master@{#820933}

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

@@ -228,7 +228,6 @@ crbug.com/1136369 [ fuchsia ] conformance/uniforms/uniform-samplers-test.html [
 crbug.com/1136369 [ fuchsia ] deqp/data/gles2/shaders/conversions.html [ Skip ]
 crbug.com/1136369 [ fuchsia ] deqp/data/gles2/shaders/functions.html [ Skip ]
 crbug.com/1136369 [ fuchsia ] deqp/data/gles2/shaders/swizzles.html [ Skip ]
-crbug.com/1141040 [ fuchsia ] conformance/textures/misc/tex-image-and-sub-image-2d-with-array-buffer-view.html [ Skip ]
 
 # Video not supported on Fuchsia qemu boards.
 [ fuchsia fuchsia-board-qemu-x64 ] conformance/extensions/oes-texture-float-with-video.html [ Skip ]