[SYS] Fix erase function for ESP8266 (#2101)

And remove restart parameter as it is not used (the ESP always restart after erase for our use cases)

Co-authored-by: Florian <1technophile@users.noreply.github.com>

main/ZsensorGPIOInput.ino

@@ -73,7 +73,7 @@ void MeasureGPIOInput() {
         }
 #    endif
         Log.notice(F("Erasing ESP Config, restarting" CR));
-        erase(true);
+        eraseConfig();
       }
     } else {
       resetTime = 0;