Fix warning: backslash and newline separated by space

Author: pennam

Diff for: src/SecureElementConfig.h

@@ -12,7 +12,7 @@
 #define SECURE_ELEMENT_CONFIG_H_
 
 #if defined(ARDUINO_AVR_UNO_WIFI_REV2) || \
-  defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_SAMD_NANO_33_IOT) ||  \ 
+  defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_SAMD_NANO_33_IOT) ||  \
   defined(ARDUINO_SAMD_MKRGSM1400)  || defined(ARDUINO_SAMD_MKR1000) ||      \
   defined(ARDUINO_SAMD_MKRNB1500)   || defined(ARDUINO_PORTENTA_H7_M7)  ||   \
   defined(ARDUINO_NANO_RP2040_CONNECT) || defined(ARDUINO_OPTA) || \