genesys: Remove dead code

backend/genesys/genesys.cpp

@@ -3675,12 +3675,6 @@ static void genesys_sheetfed_calibration(Genesys_Device* dev, Genesys_Sensor& se
   /* led, offset and gain calibration are influenced by scan
    * settings. So we set it to sensor resolution */
   dev->settings.xres = sensor.optical_res;
-  /* XP200 needs to calibrate a full and half sensor's resolution */
-    if (dev->model->sensor_id == SensorId::CIS_XP200 &&
-        dev->settings.xres <= sensor.optical_res / 2)
-    {
-        dev->settings.xres /= 2;
-    }
 
   /* the afe needs to sends valid data even before calibration */
 

backend/genesys/low.cpp

@@ -335,29 +335,6 @@ void debug_print_status(DebugMessageHelper& dbg, Status val)
     dbg.vlog(DBG_info, "status=%s\n", str.str().c_str());
 }
 
-#if 0
-/* returns pixels per line from register set */
-/*candidate for moving into chip specific files?*/
-static int
-genesys_pixels_per_line (Genesys_Register_Set * reg)
-{
-    int pixels_per_line;
-
-    pixels_per_line = reg->get8(0x32) * 256 + reg->get8(0x33);
-    pixels_per_line -= (reg->get8(0x30) * 256 + reg->get8(0x31));
-
-    return pixels_per_line;
-}
-
-/* returns dpiset from register set */
-/*candidate for moving into chip specific files?*/
-static int
-genesys_dpiset (Genesys_Register_Set * reg)
-{
-    return reg->get8(0x2c) * 256 + reg->get8(0x2d);
-}
-#endif
-
 /** read the number of valid words in scanner's RAM
  * ie registers 42-43-44
  */