Remove "STM32H747ZI" device_name, as not supported yet by MBED

jeromecoutant · jeromecoutant · commit fb3f0f904ee2 · 2019-09-10T11:46:50.000+02:00
diff --git a/targets/targets.json b/targets/targets.json
@@ -3363,7 +3363,6 @@
             "MPU"
         ],
         "release_versions": ["2", "5"],
-        "device_name": "STM32H747ZI",
         "bootloader_supported": true
     },
     "DISCO_H747I_CM7": {
