delete unused PWM_SERVO_SET_COUNT

src/drivers/dshot/DShot.cpp

@@ -726,60 +726,6 @@ int DShot::pwm_ioctl(file *filp, const int cmd, const unsigned long arg)
 
 		break;
 
-	case PWM_SERVO_SET_COUNT: {
-			/*
-			 * Change the number of outputs that are enabled for
-			 * PWM. This is used to change the split between GPIO
-			 * and PWM under control of the flight config
-			 * parameters.
-			 */
-			switch (arg) {
-			case 0:
-				set_mode(MODE_NONE);
-				break;
-
-			case 1:
-				set_mode(MODE_1PWM);
-				break;
-
-			case 2:
-				set_mode(MODE_2PWM);
-				break;
-
-			case 3:
-				set_mode(MODE_3PWM);
-				break;
-
-			case 4:
-				set_mode(MODE_4PWM);
-				break;
-
-			case 5:
-				set_mode(MODE_5PWM);
-				break;
-
-#if defined(BOARD_HAS_PWM) && BOARD_HAS_PWM >=6
-
-			case 6:
-				set_mode(MODE_6PWM);
-				break;
-#endif
-
-#if defined(BOARD_HAS_PWM) && BOARD_HAS_PWM >=8
-
-			case 8:
-				set_mode(MODE_8PWM);
-				break;
-#endif
-
-			default:
-				ret = -EINVAL;
-				break;
-			}
-
-			break;
-		}
-
 	case PWM_SERVO_SET_MODE: {
 			switch (arg) {
 			case PWM_SERVO_MODE_NONE: