[FL-1059] T5577 write (#463)

* Api-hal-gpio: extend init functions
* App Lfrfid: separate protocol layer
* App Lfrfid: write EM key scene
* App Lfrfid: syntax fix

applications/lf-rfid/helpers/encoder-indala-40134.h

@@ -20,6 +20,4 @@ private:
     bool last_bit;
     bool current_polarity;
     static const uint8_t clock_per_bit = 16;
-
-    void set_bit(bool bit, uint8_t position);
 };