[Sheriff]Remove redundant lines for blink's TestExpectations.

TBR=rogerta@chromium.org

No-try: true
Bug: 1113367
Change-Id: I2405c15ad68d30b3cbd92ac831a95758e1766123
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2346907Reviewed-by: Ella Ge <eirage@chromium.org>
Commit-Queue: Ella Ge <eirage@chromium.org>
Cr-Commit-Position: refs/heads/master@{#796406}

third_party/blink/web_tests/TestExpectations

@@ -2727,9 +2727,6 @@ crbug.com/626703 [ Win ] virtual/layout-ng-grid/external/wpt/css/css-grid/alignm
 crbug.com/626703 [ Linux ] external/wpt/css/css-grid/alignment/grid-item-no-aspect-ratio-stretch-5.html [ Failure ]
 crbug.com/626703 [ Mac ] external/wpt/css/css-grid/alignment/grid-item-no-aspect-ratio-stretch-5.html [ Failure ]
 crbug.com/626703 [ Win ] external/wpt/css/css-grid/alignment/grid-item-no-aspect-ratio-stretch-5.html [ Failure ]
-crbug.com/626703 [ Linux ] virtual/layout-ng-grid/external/wpt/css/css-grid/alignment/grid-item-no-aspect-ratio-stretch-5.html [ Failure ]
-crbug.com/626703 [ Mac ] virtual/layout-ng-grid/external/wpt/css/css-grid/alignment/grid-item-no-aspect-ratio-stretch-5.html [ Failure ]
-crbug.com/626703 [ Win ] virtual/layout-ng-grid/external/wpt/css/css-grid/alignment/grid-item-no-aspect-ratio-stretch-5.html [ Failure ]
 crbug.com/626703 [ Linux ] virtual/layout-ng-grid/external/wpt/css/css-grid/alignment/grid-item-no-aspect-ratio-stretch-1.html [ Failure ]
 crbug.com/626703 [ Mac ] virtual/layout-ng-grid/external/wpt/css/css-grid/alignment/grid-item-no-aspect-ratio-stretch-1.html [ Failure ]
 crbug.com/626703 [ Win ] virtual/layout-ng-grid/external/wpt/css/css-grid/alignment/grid-item-no-aspect-ratio-stretch-1.html [ Failure ]