Nuvoton: Enable fault handler dump message for M23 targets

Support targets:
-   NUMAKER_IOT_M263A
-   NUMAKER_IOT_M252

Author: ccli8

targets/targets.json

@@ -5842,7 +5842,6 @@
             "FLASH_CMSIS_ALGO"
         ],
         "macros_add": [
-            "MBED_FAULT_HANDLER_DISABLED",
             "LPTICKER_DELAY_TICKS=4"
         ],
         "supported_toolchains": [
@@ -6693,7 +6692,6 @@
             "FLASH_CMSIS_ALGO"
         ],
         "macros": [
-            "MBED_FAULT_HANDLER_DISABLED",
             "LPTICKER_DELAY_TICKS=4"
         ],
         "is_disk_virtual": true,