Remove duplicate option for NUCLEO_H723ZG

Author: multiplemonomials

targets/targets.json

@@ -3348,11 +3348,6 @@
             "STM32H723ZG"
         ],
         "config": {
-            "hse_value": {
-                "help": "HSE default value is 25MHz in HAL",
-                "value": "8000000",
-                "macro_name": "HSE_VALUE"
-            },
             "d11_configuration": {
                 "help": "Value: PB_5 for the default board configuration, PA_7 in case of solder bridge update (SB33 on/ SB35 off)",
                 "value": "PB_5",