Remove a lot of the current Timelines code to make room for a new implementation.

https://bugs.webkit.org/show_bug.cgi?id=123368

Reviewed by Joseph Pecoraro.

* Localizations/en.lproj/localizedStrings.js:
* UserInterface/ContentView.js:
(WebInspector.ContentView):
(WebInspector.ContentView.isViewable):
* UserInterface/DashboardView.js:
(WebInspector.DashboardView.prototype._networkItemWasClicked):
* UserInterface/InspectorFrontendAPI.js:
(InspectorFrontendAPI.setTimelineProfilingEnabled):
(InspectorFrontendAPI.stopProfilingJavaScript):
* UserInterface/InstrumentSidebarPanel.js: Removed.
* UserInterface/Main.html:
* UserInterface/Main.js:
(WebInspector.contentLoaded):
(WebInspector.sidebarPanelForRepresentedObject):
(WebInspector.openURL):
* UserInterface/Object.js:
(WebInspector.Object.addEventListener):
* UserInterface/TimelineManager.js:
(WebInspector.TimelineManager):
(WebInspector.TimelineManager.prototype.startRecording):
(WebInspector.TimelineManager.prototype.eventRecorded.processRecord):
(WebInspector.TimelineManager.prototype.eventRecorded):
(WebInspector.TimelineManager.prototype.objectForCookie):
(WebInspector.TimelineManager.prototype._addRecord):
* UserInterface/TimelinesObject.js: Removed.
* UserInterface/TimelineOverview.css: Removed.
* UserInterface/TimelineOverview.js: Removed.
* UserInterface/TimelineSidebarPanel.css: Added.
* UserInterface/TimelineSidebarPanel.js: Added.
(WebInspector.TimelineSidebarPanel):
* UserInterface/TimelinesContentView.css: Removed.
* UserInterface/TimelinesContentView.js: Removed.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@162397 268f45cc-cd09-0410-ab3c-d52691b4dbfc