lets just define it without guards!

src/detect/ScanI2C.h

@@ -41,9 +41,7 @@ class ScanI2C
         BQ24295,
         LSM6DS3,
         TCA9555,
-#if defined(HAS_NCP5623) || defined(UNPHONE) || defined(RGBLED_RED)
         NCP5623,
-#endif
     } DeviceType;
 
     // typedef uint8_t DeviceAddress;