remove helper function

src/app/fdctl/monitor/helper.c

@@ -1,6 +1,5 @@
 #include "helper.h"
-#include <termios.h>
-#include <fcntl.h>
+
 #include <stdio.h>
 
 #define PRINT( ... ) do {                                                        \
@@ -175,29 +174,3 @@ printf_pct( char ** buf,
   if( pct<=999.999 ) { PRINT( " %7.3f", pct ); return; }
   /**/                 PRINT( ">999.999" );
 }
-
-
-int
-fd_getch()
-{
-  struct termios oldt, newt;
-  int ch;
-  int oldf;
- /* Disables character echo and canonical mode since we want the input to be processes immediately.
-  * Terminal also set to non blocking in case the user doesn't send any input.
-  * */
-  tcgetattr(STDIN_FILENO, &oldt);
-  newt = oldt;
-  newt.c_lflag &= (tcflag_t)~(ICANON | ECHO);
-  tcsetattr(STDIN_FILENO, TCSANOW, &newt);
-  oldf = fcntl(STDIN_FILENO, F_GETFL, 0);
-  fcntl(STDIN_FILENO, F_SETFL, oldf | O_NONBLOCK);
-
-  ch = getchar();
-
-  /*Restore the terminal back to it's original configuration*/
-  tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
-  fcntl(STDIN_FILENO, F_SETFL, oldf);
-
-  return ch;
-}