Fix use after free for i2cscanner pointer introduced with PR meshtastic#8054. Fixes segfault on native.

Author: Mictronics

src/main.cpp

@@ -587,7 +587,6 @@ void setup()
     scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::INA226, meshtastic_TelemetrySensorType_INA226);
     scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::INA219, meshtastic_TelemetrySensorType_INA219);
     scannerToSensorsMap(i2cScanner, ScanI2C::DeviceType::INA3221, meshtastic_TelemetrySensorType_INA3221);
-    i2cScanner.reset();
 #endif
 
 #ifdef HAS_SDCARD