Update expectations for Linux layout shape test

external/wpt/css/css-shapes/shape-outside/values/shape-margin-001.html
external/wpt/css/css-shapes/shape-outside/values/shape-outside-shape-arguments-000.html
have both been passing on Linux for the whole of the flakiness
dashboard history.

https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=webkit_layout_tests&tests=external/wpt/css/css-shapes/shape-outside/values/shape-margin-001.html%20external/wpt/css/css-shapes/shape-outside/values/shape-outside-shape-arguments-000.html

Bug: 441840
Change-Id: I4a9d6c92c0d8708a010f390e949eba81d713afc3
Reviewed-on: https://chromium-review.googlesource.com/1140371Reviewed-by: Peter Mayo <petermayo@chromium.org>
Reviewed-by: Aleks Totic <atotic@chromium.org>
Commit-Queue: Peter Mayo <petermayo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#575699}

third_party/WebKit/LayoutTests/TestExpectations

@@ -1909,14 +1909,14 @@ crbug.com/652964 [ Linux Win ] fast/text/hyphens/midword-break-priority.html [ S
 crbug.com/405389 external/wpt/css/css-shapes/shape-outside/supported-shapes/polygon/shape-outside-polygon-017.html [ Failure ]
 crbug.com/424365 external/wpt/css/css-shapes/shape-outside/shape-image/shape-image-010.html [ Failure ]
 crbug.com/424365 external/wpt/css/css-shapes/shape-outside/shape-image/shape-image-024.html [ Failure ]
-crbug.com/441840 [ Linux Win ] external/wpt/css/css-shapes/shape-outside/values/shape-margin-001.html [ Failure ]
+crbug.com/441840 [ Win ] external/wpt/css/css-shapes/shape-outside/values/shape-margin-001.html [ Failure ]
 crbug.com/441840 external/wpt/css/css-shapes/shape-outside/values/shape-outside-circle-004.html [ Failure ]
 crbug.com/441840 external/wpt/css/css-shapes/shape-outside/values/shape-outside-circle-005.html [ Failure ]
 crbug.com/441840 external/wpt/css/css-shapes/shape-outside/values/shape-outside-ellipse-004.html [ Failure ]
 crbug.com/441840 external/wpt/css/css-shapes/shape-outside/values/shape-outside-ellipse-005.html [ Failure ]
 crbug.com/441840 external/wpt/css/css-shapes/shape-outside/values/shape-outside-inset-003.html [ Failure ]
 crbug.com/441840 external/wpt/css/css-shapes/shape-outside/values/shape-outside-polygon-004.html [ Failure ]
-crbug.com/441840 [ Linux Win ] external/wpt/css/css-shapes/shape-outside/values/shape-outside-shape-arguments-000.html [ Failure ]
+crbug.com/441840 [ Win ] external/wpt/css/css-shapes/shape-outside/values/shape-outside-shape-arguments-000.html [ Failure ]
 
 crbug.com/626703 [ Linux Win ] external/wpt/css/css-text/letter-spacing/letter-spacing-control-chars-001.html [ Failure ]
 crbug.com/626703 external/wpt/css/css-text/line-breaking/line-breaking-009.html [ Failure ]