Remove DEFAULT_CURRENT_METER_OFFSET and change DEFAULT_CURRENT_METER_SCALE to match the theoretical value

Author: kedeng

configs/SPEEDYBEEF435AIOELRS/config.h

@@ -96,8 +96,7 @@
 #define DEFAULT_DSHOT_TELEMETRY      DSHOT_TELEMETRY_ON
 #define DEFAULT_CURRENT_METER_SOURCE CURRENT_METER_ADC
 #define DEFAULT_VOLTAGE_METER_SOURCE VOLTAGE_METER_ADC
-#define DEFAULT_CURRENT_METER_SCALE  215
-#define DEFAULT_CURRENT_METER_OFFSET -12390
+#define DEFAULT_CURRENT_METER_SCALE  250
 
 #define MSP_UART      SERIAL_PORT_USART1
 #define SERIALRX_UART SERIAL_PORT_UART5