Fix remaining references to the old LayoutTests/w3c directories.

LayoutTests/W3CImportExpectations

Index: LayoutTests/W3CImportExpectations
diff --git a/LayoutTests/W3CImportExpectations b/LayoutTests/W3CImportExpectations
index e28da63c16c81d79b5cf2391e731abda881aad22..ded3f419adfec763abcbe470639324adfe36e3e5 100644
--- a/LayoutTests/W3CImportExpectations
+++ b/LayoutTests/W3CImportExpectations
@@ -59,7 +59,7 @@ imported/csswg-test/.htaccess [ Skip ]
 imported/web-platform-tests/2dcontext [ Skip ]
 imported/web-platform-tests/DOMEvents [ Skip ]
 imported/web-platform-tests/FileAPI [ Skip ]
-# w3c/web-platform-tests/IndexedDB [ Pass ]
+# imported/web-platform-tests/IndexedDB [ Pass ]
 imported/web-platform-tests/WebCryptoAPI [ Skip ]
 imported/web-platform-tests/WebIDL [ Skip ]
 imported/web-platform-tests/XMLHttpRequest [ Skip ]
@@ -72,7 +72,7 @@ imported/web-platform-tests/config.default.json [ Skip ]
 imported/web-platform-tests/conformance-checkers [ Skip ]
 imported/web-platform-tests/content-security-policy [ Skip ]
 imported/web-platform-tests/cors [ Skip ]
-# w3c/web-platform-tests/custom-elements [ Pass ]
+# imported/web-platform-tests/custom-elements [ Pass ]
 imported/web-platform-tests/custom-elements/registering-custom-elements/unresolved-element-pseudoclass [ Skip ]
 imported/web-platform-tests/dom [ Skip ]
 imported/web-platform-tests/domparsing [ Skip ]
@@ -83,7 +83,7 @@ imported/web-platform-tests/fonts [ Skip ]
 imported/web-platform-tests/geolocation-API [ Skip ]
 imported/web-platform-tests/hr-time [ Skip ]
 imported/web-platform-tests/html [ Skip ]
-# w3c/web-platform-tests/html-imports [ Pass ]
+# imported/web-platform-tests/html-imports [ Pass ]
 imported/web-platform-tests/html-longdesc [ Skip ]
 imported/web-platform-tests/html-media-capture [ Skip ]
 imported/web-platform-tests/http [ Skip ]
@@ -91,7 +91,7 @@ imported/web-platform-tests/images [ Skip ]
 imported/web-platform-tests/js [ Skip ]
 imported/web-platform-tests/media [ Skip ]
 imported/web-platform-tests/media-source [ Skip ]
-# w3c/web-platform-tests/mediacapture-streams [ Pass ]
+# imported/web-platform-tests/mediacapture-streams [ Pass ]
 imported/web-platform-tests/microdata [ Skip ]
 imported/web-platform-tests/navigation-timing [ Skip ]
 imported/web-platform-tests/notifications [ Skip ]
@@ -110,7 +110,7 @@ imported/web-platform-tests/selectors-api [ Skip ]
 imported/web-platform-tests/serve.py [ Skip ]
 imported/web-platform-tests/server-side.md [ Skip ]
 imported/web-platform-tests/service-workers [ Skip ]
-# w3c/web-platform-tests/shadow-dom [ Pass ]
+# imported/web-platform-tests/shadow-dom [ Pass ]
 imported/web-platform-tests/tools [ Skip ]
 imported/web-platform-tests/touch-events [ Skip ]
 imported/web-platform-tests/typedarrays [ Skip ]
@@ -122,7 +122,7 @@ imported/web-platform-tests/webaudio [ Skip ]
 imported/web-platform-tests/webdriver [ Skip ]
 imported/web-platform-tests/webgl [ Skip ]
 imported/web-platform-tests/webmessaging [ Skip ]
-# w3c/web-platform-tests/webrtc [ Pass ]
+# imported/web-platform-tests/webrtc [ Pass ]
 imported/web-platform-tests/websockets [ Skip ]
 imported/web-platform-tests/webstorage [ Skip ]
 imported/web-platform-tests/webvtt [ Skip ]