Core: Remove Unused IsRunningInCurrentThread Function

Source/Core/Core/Core.cpp

@@ -210,11 +210,6 @@ bool IsRunningAndStarted()
   return s_is_started && !s_is_stopping;
 }
 
-bool IsRunningInCurrentThread()
-{
-  return IsRunning() && IsCPUThread();
-}
-
 bool IsCPUThread()
 {
   return tls_is_cpu_thread;

Source/Core/Core/Core.h

@@ -138,9 +138,8 @@ void UndeclareAsHostThread();
 std::string StopMessage(bool main_thread, std::string_view message);
 
 bool IsRunning();
-bool IsRunningAndStarted();       // is running and the CPU loop has been entered
-bool IsRunningInCurrentThread();  // this tells us whether we are running in the CPU thread.
-bool IsCPUThread();               // this tells us whether we are the CPU thread.
+bool IsRunningAndStarted();  // is running and the CPU loop has been entered
+bool IsCPUThread();          // this tells us whether we are the CPU thread.
 bool IsGPUThread();
 bool IsHostThread();