DevTools: remove old Timeline front-end implementation

LayoutTests/inspector/timeline/timeline-network-resource-expected.txt

Index: LayoutTests/inspector/timeline/timeline-network-resource-expected.txt
diff --git a/LayoutTests/inspector/timeline/timeline-network-resource-expected.txt b/LayoutTests/inspector/timeline/timeline-network-resource-expected.txt
deleted file mode 100644
index ba617260eefcc90fc93f28d6aee5ceb41f7c9b9e..0000000000000000000000000000000000000000
--- a/LayoutTests/inspector/timeline/timeline-network-resource-expected.txt
+++ /dev/null
@@ -1,45 +0,0 @@
-Tests the Timeline API instrumentation of a network resource load
-
-Script resource loaded
-
-ResourceSendRequest Properties:
-{
-    data : {
-        requestId : <string>
-        requestMethod : "GET"
-        url : .../inspector/timeline/timeline-network-resource.js
-    }
-    endTime : <number>
-    frameId : <string>
-    stackTrace : <object>
-    startTime : <number>
-    thread : <string>
-    type : "ResourceSendRequest"
-}
-
-ResourceReceiveResponse Properties:
-{
-    data : {
-        mimeType : <string>
-        requestId : <string>
-        statusCode : 0
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "ResourceReceiveResponse"
-}
-
-ResourceFinish Properties:
-{
-    data : {
-        didFail : false
-        networkTime : <number>
-        requestId : <string>
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "ResourceFinish"
-}
-