Fixed lint error by removing redundant test entry.

This CL fixes the lint error by removing the redundant test entry.

Bug: 1135842
Change-Id: Ide6d2d54ac79c7f0a6eeba3ae495dc4e5f3abcb1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2459046Reviewed-by: Yu Han <yuzhehan@chromium.org>
Commit-Queue: Ionel Popescu <iopopesc@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#814877}

third_party/blink/web_tests/MSANExpectations

@@ -150,4 +150,3 @@ crbug.com/1095518 [ Linux ] crbug.com/840659 external/wpt/webrtc/simulcast/h264.
 
 # Sheriff 2020-10-05
 crbug.com/1134580 [ Linux ] virtual/eye-dropper/color-picker-show-eye-dropper.html [ Pass Timeout ]
-crbug.com/1134580 [ Linux ] virtual/dark-color-scheme/virtual/eye-dropper/color-picker-show-eye-dropper.html [ Pass Timeout ]