Default is to not define digipot_i2c

Marlin/Configuration_adv.h

@@ -269,7 +269,7 @@
 #define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
 
 // uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
-#define DIGIPOT_I2C
+//#define DIGIPOT_I2C
 // Number of channels available for I2C digipot, For Azteeg X3 Pro we have 8
 #define DIGIPOT_I2C_NUM_CHANNELS 8
 // actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS
@@ -278,7 +278,7 @@
 //===========================================================================
 //=============================Additional Features===========================
 //===========================================================================
-
+.
 #define SD_FINISHED_STEPPERRELEASE true  //if sd support and the file is finished: disable steppers?
 #define SD_FINISHED_RELEASECOMMAND "M84 X Y Z E" // You might want to keep the z enabled so your bed stays in place.