more cleanup

src/keyer.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include <queue>
-//#include <string>
 
 #include "settings.h"
 #include "sidetone.h"
@@ -14,7 +13,6 @@ class Keyer final
 
     void setMode(Mode mode) { m_mode = mode; }
     void setSpeed(uint8_t wpm);
-    //void sendMessage(std::string msg);
     void sendCharacter(const char ch);
 
     void run();