Removes the abstraction on the profiler, no need for a resolver, it will work in unit tests and we can override the provider if needed.

Added better support for MVC profiling by using the built in ProfilingViewEngine and ProfilingActionFilter.

src/Umbraco.Core/CoreBootManager.cs

@@ -187,9 +187,6 @@ namespace Umbraco.Core
 		/// </summary>
 		protected virtual void InitializeResolvers()
 		{
-            //By default we'll initialize the Log profiler (in the web project, we'll override with the web profiler)
-            ProfilerResolver.Current = new ProfilerResolver(new LogProfiler());
-
             //by default we'll use the standard configuration based sync
             ServerRegistrarResolver.Current = new ServerRegistrarResolver(
                 new ConfigServerRegistrar());