feat: add WASD up button to default pico pinout

Author: JonnyHaystack

config/pico/config.cpp

@@ -20,6 +20,7 @@ GpioButtonMapping button_mappings[] = {
     { BTN_LF2, 3  },
     { BTN_LF3, 4  },
     { BTN_LF4, 5  },
+    { BTN_LF5, 1  },
 
     { BTN_LT1, 6  },
     { BTN_LT2, 7  },

include/modes/Rivals2.hpp

@@ -4,8 +4,6 @@
 #include "core/ControllerMode.hpp"
 #include "core/state.hpp"
 
-#include <config.pb.h> //this was not here, but doesn't seem to matter if I remove it from Melee20Button.hpp anyway
-
 class Rivals2 : public ControllerMode {
   public:
     Rivals2();