DevTools: remove old Timeline front-end implementation

LayoutTests/virtual/implsidepainting/inspector/timeline/timeline-decode-resize-expected.txt

Index: LayoutTests/virtual/implsidepainting/inspector/timeline/timeline-decode-resize-expected.txt
diff --git a/LayoutTests/virtual/implsidepainting/inspector/timeline/timeline-decode-resize-expected.txt b/LayoutTests/virtual/implsidepainting/inspector/timeline/timeline-decode-resize-expected.txt
deleted file mode 100644
index 047250e93d58e0050187f59795d00dd582386638..0000000000000000000000000000000000000000
--- a/LayoutTests/virtual/implsidepainting/inspector/timeline/timeline-decode-resize-expected.txt
+++ /dev/null
@@ -1,82 +0,0 @@
-Tests the Timeline API instrumentation of a DecodeImage and ResizeImage events
-
-
-DecodeImage Properties:
-{
-    data : {
-        backendNodeId : <number>
-        url : .../inspector/timeline/resources/test.bmp
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "DecodeImage"
-}
-DecodeImage Properties:
-{
-    data : {
-        backendNodeId : <number>
-        url : .../inspector/timeline/resources/test.gif
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "DecodeImage"
-}
-DecodeImage Properties:
-{
-    data : {
-        backendNodeId : <number>
-        imageType : "ICO"
-        url : .../inspector/timeline/resources/test.ico
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "DecodeImage"
-}
-DecodeImage Properties:
-{
-    data : {
-        backendNodeId : <number>
-        url : .../inspector/timeline/resources/test.jpg
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "DecodeImage"
-}
-DecodeImage Properties:
-{
-    data : {
-        backendNodeId : <number>
-        url : .../inspector/timeline/resources/test.png
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "DecodeImage"
-}
-DecodeImage Properties:
-{
-    data : {
-        backendNodeId : <number>
-        url : .../inspector/timeline/resources/test.webp
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "DecodeImage"
-}
-DecodeImage Properties:
-{
-    data : {
-        backendNodeId : <number>
-        url : .../inspector/timeline/resources/big.png
-    }
-    endTime : <number>
-    startTime : <number>
-    thread : <string>
-    type : "DecodeImage"
-}
-