Merge pull request #1802 from Natealus/Development

Compiling error temperature.cpp with multiple extruders defined

Marlin/temperature.cpp

       #else
         #define GE2 >=
       #endif
-      if (current_temperature_raw[2] GE2 (maxttemp_raw[2]) max_temp_error(2);
+      if (current_temperature_raw[2] GE2 maxttemp_raw[2]) max_temp_error(2);
       if (minttemp_raw[2] GE2 current_temperature_raw[2]) min_temp_error(2);
     #endif // TEMP_SENSOR_2