Codechange: C++11 STL has a function for getting the number of CPU cores.

src/thread.h

@@ -29,12 +29,6 @@ inline void CSleep(int milliseconds)
 	std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds));
 }
 
-/**
- * Get number of processor cores in the system, including HyperThreading or similar.
- * @return Total number of processor cores.
- */
-uint GetCPUCoreCount();
-
 /**
  * Name the thread this function is called on for the debugger.
  * @param name Name to set for the thread..