Remove MBEDTLS_MD5_C

Author: adustm

targets/targets.json

@@ -970,7 +970,7 @@
         "extra_labels": ["STM", "STM32F7", "STM32F756", "STM32F756xG", "STM32F756ZG"],
         "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
         "default_toolchain": "ARM",
-        "macros": ["TRANSACTION_QUEUE_SIZE_SPI=2", "USBHOST_OTHER", "MBEDTLS_CONFIG_HW_SUPPORT", "MBEDTLS_MD5_C"],
+        "macros": ["TRANSACTION_QUEUE_SIZE_SPI=2", "USBHOST_OTHER", "MBEDTLS_CONFIG_HW_SUPPORT"],
         "supported_form_factors": ["ARDUINO"],
         "detect_code": ["0819"],
         "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES", "TRNG"],