Remove Blink copies of readable-streams layout tests

third_party/WebKit/LayoutTests/TestExpectations

 # Intentional failures to test the layout test system.
 Bug(intentional) harness-tests/crash.html [ Crash ]
 Bug(intentional) harness-tests/timeout.html [ Timeout ]
 
 # TODO(qyearsley): Remove these lines and uncomment other test expectation
 # lines related to CSS tests (crbug.com/706118).
 crbug.com/706118 external/wpt/css/CSS2 [ Skip ]
 crbug.com/706118 external/wpt/css/css-align-3 [ Skip ]
 crbug.com/706118 external/wpt/css/css-flexbox-1 [ Skip ]
 crbug.com/706118 external/wpt/css/css-scoping-1 [ Skip ]
@@ skipping 1744 matching lines @@
 crbug.com/635909 inspector/sources/debugger-frameworks/frameworks-dom-xhr-event-breakpoints.html [ NeedsManualRebaseline Timeout ]
 
 crbug.com/636424 [ Win7 Debug ] editing/selection/modify_move/move-by-word-visually-crash-test-5.html [ Pass Timeout ]
 crbug.com/638618 inspector/editor/text-editor-search-switch-editor.html [ Skip ]
 
 # These tests have test harness errors and PASS lines that have a
 # non-deterministic order.
 crbug.com/705125 fast/mediacapturefromelement/CanvasCaptureMediaStream-capture-out-of-DOM-element.html [ Failure ]
 crbug.com/705125 http/tests/security/cors-rfc1918/addressspace-document-appcache.html [ Failure ]
 crbug.com/705125 http/tests/security/cors-rfc1918/addressspace-document-csp-appcache.html [ Failure ]
-crbug.com/705125 http/tests/streams/readable-streams/cancel.html [ Failure ]
-crbug.com/705125 http/tests/streams/readable-streams/templated.html [ Failure ]
 crbug.com/705125 http/tests/w3c/webperf/submission/Intel/user-timing/test_user_timing_clearMarks.html [ Failure ]
 crbug.com/705125 virtual/mojo-loading/http/tests/security/cors-rfc1918/addressspace-document-appcache.html [ Failure ]
 crbug.com/705125 virtual/mojo-loading/http/tests/security/cors-rfc1918/addressspace-document-csp-appcache.html [ Failure ]
-crbug.com/705125 virtual/mojo-loading/http/tests/streams/readable-streams/cancel.html [ Failure ]
-crbug.com/705125 virtual/mojo-loading/http/tests/streams/readable-streams/templated.html [ Failure ]
 
 # This test breaks when the feature introduced in the bug is enabled. We keep
 # this tested without the feature by using the virtual test. See
 # virtual/stable/http/tests/sendbeacon/beacon-cross-origin-redirect-blob-expected.txt
 crbug.com/490015 http/tests/sendbeacon/beacon-cross-origin-redirect-blob.html [ Skip ]
 crbug.com/490015 virtual/mojo-loading/http/tests/sendbeacon/beacon-cross-origin-redirect-blob.html [ Skip ]
 # This test doesn't need to be run with the stable release mode.
 crbug.com/490015 virtual/stable/http/tests/sendbeacon/beacon-blob-with-non-simple-type.html [ Skip ]
 # This test fails with the stable release mode.
 crbug.com/694958 virtual/stable/http/tests/navigation/same-and-different-back.html [ Skip ]
@@ skipping 954 matching lines @@
 
 # Sheriff failures 2017-04-03
 # Should be [ Crash Pass ], but this has a commented out [ Skip ] expectation
 # for Mac earlier in the file, so just skip it everywhere.
 crbug.com/707689 shapedetection/detection-HTMLCanvasElement.html [ Skip ]
 
 # Tests to be run only under virtual/experimental-canvas-features/
 crbug.com/682753 fast/canvas-experimental [ Skip ]
 
 crbug.com/708934 fast/backgrounds/background-image-relative-url-in-iframe.html [ Failure Pass ]