Remove old tracing code now that it has moved to third_party.

chrome/browser/resources/tracing/tests/async_begin_end.json

Index: chrome/browser/resources/tracing/tests/async_begin_end.json
diff --git a/chrome/browser/resources/tracing/tests/async_begin_end.json b/chrome/browser/resources/tracing/tests/async_begin_end.json
deleted file mode 100644
index c9eeffb2d3d9720d83acc67d34b2cd854ad26466..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/tracing/tests/async_begin_end.json
+++ /dev/null
@@ -1,25 +0,0 @@
-[
-{"cat":"r","pid":1,"tid":1,"ts":50,"ph":"S","name":"A","args":{},"id":"1a"},
-{"cat":"r","pid":1,"tid":1,"ts":100,"ph":"S","name":"B","args":{},"id":"1"},
-{"cat":"r","pid":1,"tid":1,"ts":120,"ph":"B","name":"BE1","args":{}},
-{"cat":"r","pid":1,"tid":1,"ts":150,"ph":"F","name":"D","args":{},"id":"bf1"},
-{"cat":"r","pid":1,"tid":1,"ts":170,"ph":"E","name":"BE1","args":{}},
-{"cat":"r","pid":1,"tid":1,"ts":200,"ph":"S","name":"B","args":{},"id":"2"},
-{"cat":"r","pid":1,"tid":1,"ts":220,"ph":"B","name":"BE1","args":{}},
-{"cat":"r","pid":1,"tid":1,"ts":230,"ph":"B","name":"BE2","args":{}},
-{"cat":"r","pid":1,"tid":1,"ts":240,"ph":"T","name":"B","args":{"step":"X"},"id":"2"},
-{"cat":"r","pid":1,"tid":1,"ts":250,"ph":"S","name":"A","args":{},"id":"2a"},
-{"cat":"r","pid":1,"tid":1,"ts":270,"ph":"E","name":"BE2","args":{}},
-{"cat":"r","pid":1,"tid":1,"ts":300,"ph":"F","name":"B","args":{},"id":"1"},
-{"cat":"r","pid":1,"tid":1,"ts":350,"ph":"E","name":"BE1","args":{}},
-{"cat":"r","pid":1,"tid":1,"ts":400,"ph":"F","name":"B","args":{},"id":"2"},
-{"cat":"r","pid":3,"tid":4,"ts":450,"ph":"T","name":"A","args":{"step":"X"},"id":"2a"},
-{"cat":"r","pid":3,"tid":4,"ts":475,"ph":"T","name":"A","args":{"step":"Y"},"id":"2a"},
-{"cat":"r","pid":2,"tid":2,"ts":500,"ph":"S","name":"E","args":{},"id":"1"},
-{"cat":"r","pid":2,"tid":3,"ts":600,"ph":"S","name":"E","args":{},"id":"2"},
-{"cat":"r","pid":3,"tid":4,"ts":700,"ph":"F","name":"E","args":{},"id":"1"},
-{"cat":"r","pid":1,"tid":1,"ts":725,"ph":"S","name":"D","args":{},"id":"bf2"},
-{"cat":"r","pid":1,"tid":1,"ts":750,"ph":"F","name":"A","args":{},"id":"2a"},
-{"cat":"r","pid":3,"tid":5,"ts":800,"ph":"F","name":"E","args":{},"id":"2"},
-{"cat":"r","pid":1,"tid":1,"ts":900,"ph":"F","name":"A","args":{},"id":"1a"}
-]