Remove webarchive tests.

LayoutTests/webarchive/css-page-rule-crash-expected.webarchive

Index: LayoutTests/webarchive/css-page-rule-crash-expected.webarchive
diff --git a/LayoutTests/webarchive/css-page-rule-crash-expected.webarchive b/LayoutTests/webarchive/css-page-rule-crash-expected.webarchive
deleted file mode 100644
index 29859c3e0358af3356c536c9b73aa1711dd5680c..0000000000000000000000000000000000000000
--- a/LayoutTests/webarchive/css-page-rule-crash-expected.webarchive
+++ /dev/null
@@ -1,40 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
-<plist version="1.0">
-<dict>
-	<key>WebMainResource</key>
-	<dict>
-		<key>WebResourceData</key>
-		<string>&lt;html&gt;&lt;head&gt;
-&lt;script&gt;
-
-if (window.testRunner)
-    testRunner.dumpDOMAsWebArchive();
-
-&lt;/script&gt;
-
-&lt;style&gt;
-
-@page {
-	margin: 2cm;
-}
-
-&lt;/style&gt;
-&lt;/head&gt;
-
-&lt;body&gt;
-This page contains a @page style rule.&lt;br&gt;
-Making a WebArchive out of it should not crash.
-
-&lt;/body&gt;&lt;/html&gt;</string>
-		<key>WebResourceFrameName</key>
-		<string></string>
-		<key>WebResourceMIMEType</key>
-		<string>text/html</string>
-		<key>WebResourceTextEncodingName</key>
-		<string>UTF-8</string>
-		<key>WebResourceURL</key>
-		<string>file:///LayoutTests/webarchive/css-page-rule-crash.html</string>
-	</dict>
-</dict>
-</plist>