FifoManager: Remove redundant PauseAndLock parameters

PauseAndLock was only called with do_lock=true, and the function only
used unpauseOnUnlock when do_lock was false.

Source/Core/VideoCommon/VideoConfig.cpp

@@ -64,7 +64,7 @@ void VideoConfig::Refresh()
 
       const bool lock_gpu_thread = Core::IsRunning(system);
       if (lock_gpu_thread)
-        system.GetFifo().PauseAndLock(true, false);
+        system.GetFifo().PauseAndLock();
 
       g_Config.Refresh();
       g_Config.VerifyValidity();