fix vr controller pointer direction, remove vr rendering wait

src/main.cpp

@@ -685,7 +685,7 @@ bool win32_vr_start()
 
             const int framerate = (1.f / target_tick_rate) * 1000;
             const int diff = framerate - (t1 - t0);
-            hmd_render_cv.wait_for(lock, std::chrono::milliseconds(diff));
+            //hmd_render_cv.wait_for(lock, std::chrono::milliseconds(diff));
             t0 = t1;
         }
         App::I->vr_active = false;