Get rid of do-nothing functions

nano_gui.h

@@ -19,8 +19,6 @@ void displayChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t
 void displayText(const char *const text, int x1, int y1, int w, int h, int color, int background, int border, TextJustification_e justification = TextJustification_e::Center);
 
 /* these functions are called universally to update the display */
-void updateDisplay(); //updates just the VFO frequency to show what is in 'frequency' variable
-void redrawVFOs();    //redraws only the changed digits of the vfo
 void drawTx();
 
 #define TEXT_LINE_HEIGHT 18

settings.cpp

@@ -189,5 +189,4 @@ void SetActiveVfoMode(VfoMode_e mode)
   else{
     globalSettings.vfoB.mode = mode;
   }
-  redrawVFOs();
 }

tmp.cpp

@@ -1,2 +0,0 @@
-void updateDisplay() {}
-void redrawVFOs(){}

tuner.cpp

@@ -19,7 +19,6 @@ void switchVFO(Vfo_e new_vfo){
 
   globalSettings.activeVfo = new_vfo;
   setFrequency(GetActiveVfoFreq());
-  redrawVFOs();
   saveVFOs();
 }
 
@@ -194,7 +193,6 @@ void ritDisable(){
   if(globalSettings.ritOn){
     globalSettings.ritOn = false;
     setFrequency(globalSettings.ritFrequency);
-    updateDisplay();
   }
 }
 

ubitx_cat.cpp

@@ -281,7 +281,6 @@ void processCatCommand(uint8_t* cmd) {
     {
       uint32_t f = readFreq(cmd);
       setFrequency(f);
-      updateDisplay();
       break;
     }
 
@@ -320,7 +319,6 @@ void processCatCommand(uint8_t* cmd) {
       }
 
       setFrequency(GetActiveVfoFreq());//Refresh frequency to get new mode to take effect
-      updateDisplay();
       break;
 
     case Ft817Command_e::PttOn:
@@ -331,7 +329,6 @@ void processCatCommand(uint8_t* cmd) {
       else {
         response[0] = RACK;
       }
-      updateDisplay();
       break;
 
     case Ft817Command_e::PttOff:
@@ -342,7 +339,6 @@ void processCatCommand(uint8_t* cmd) {
         response[0] = RACK;
       }
       globalSettings.txCatActive = false;
-      updateDisplay();
       break;
 
     case Ft817Command_e::VfoToggle:
@@ -352,7 +348,6 @@ void processCatCommand(uint8_t* cmd) {
       else{
         globalSettings.activeVfo = Vfo_e::VFO_A;
       }
-      updateDisplay();
       break;
 
     case Ft817Command_e::ReadEeprom: