target changes

Author: cedrickkukela-cd

targets/targets.json

@@ -2262,8 +2262,6 @@
         "device_has_add": ["ANALOGOUT", "CAN", "LOWPOWERTIMER", "SERIAL_ASYNCH", "SERIAL_FC", "TRNG", "FLASH", "ANALOGIN", "I2C", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE"],
         "release_versions": ["2", "5"],
         "device_name": "STM32L471QG",
-        "bootloader_supported": true,
-        "features": ["IPV4", "NANOSTACK", "COMMON_PAL"]
     },
     "MTB_MTS_DRAGONFLY": {
         "inherits": ["FAMILY_STM32"],