DevTools: remove Console.setTracingBasedTimeline call from startup.

Source/devtools/protocol.json

 {
     "version": { "major": "1", "minor": "1" },
     "domains": [{
         "domain": "Inspector",
         "hidden": true,
         "types": [],
         "commands": [
             {
                 "name": "enable",
                 "description": "Enables inspector domain notifications."
@@ skipping 1042 matching lines @@
                 "hidden": true
             },
             {
                 "name": "addInspectedHeapObject",
                 "parameters": [
                     { "name": "heapObjectId", "type": "integer" }
                 ],
                 "hidden": true
             },
             {
-                "name": "setTracingBasedTimeline",
-                "parameters": [
-                    { "name": "enabled", "type": "boolean", "description": "Switch console.timeline to tracing based." }
-                ],
-                "hidden": true
-            },
-            {
                 "name": "setLastEvaluationResult",
                 "parameters": [
                     { "name": "objectId", "$ref": "Runtime.RemoteObjectId", "description": "Identifier of the object to set as last evaluation result." }
                 ],
                 "hidden": true,
                 "description": "Sets last evaluation result in console. Can be accessed via <code>$_</code> command line API."
             }
         ],
         "events": [
             {
@@ skipping 3601 matching lines @@
             {
                 "name": "animationPlayerCreated",
                 "parameters": [
                     { "name": "player", "$ref": "AnimationPlayer", "description": "AnimationPlayer that was created." }
                 ],
                 "hidden": true
             }
         ]
     }]
 }