Drop the `inject` method

Not needed anymore.

Signed-off-by: Gergely Nagy <algernon@madhouse-project.org>

src/Akela/TapDance.cpp

@@ -130,11 +130,6 @@ namespace Akela {
     }
   }
 
-  void
-  TapDance::inject (Key key, uint8_t keyState) {
-    eventHandlerHook (key, 255, 255, keyState);
-  }
-
   // --- hooks ---
 
   Key

src/Akela/TapDance.h

@@ -45,8 +45,6 @@ namespace Akela {
 
     void actionKeys (uint8_t tapCount, ActionType tapDanceAction, uint8_t maxKeys, const Key tapKeys[]);
 
-    void inject (Key key, uint8_t keyState);
-
   private:
     static uint16_t timer;
     static uint16_t timeOut;