Remove SetCustomMode from all controllers beginning with the letter H

Controllers/HyperXMousematController/RGBController_HyperXMousemat.cpp

@@ -132,11 +132,6 @@ void RGBController_HyperXMousemat::UpdateSingleLED(int /*led*/)
     DeviceUpdateLEDs();
 }
 
-void RGBController_HyperXMousemat::SetCustomMode()
-{
-    active_mode = 0;
-}
-
 void RGBController_HyperXMousemat::DeviceUpdateMode()
 {
     DeviceUpdateLEDs();

Controllers/HyperXMousematController/RGBController_HyperXMousemat.h

@@ -27,7 +27,6 @@ public:
     void        UpdateZoneLEDs(int zone);
     void        UpdateSingleLED(int led);
 
-    void        SetCustomMode();
     void        DeviceUpdateMode();
 
     void        KeepaliveThread();