keymap for deleting c-h

karabiner_keymap.json

{
    "description": "Map shortcuts for deleting to the beginning of the line",
    "manipulators": [
        {
            "from": {
                "key_code": "h",
                "modifiers": {
                    "mandatory": ["control", "command"],
                    "optional": ["any"]
                }
            },
            "to": [
                {
                    "key_code": "delete_or_backspace",
                    "modifiers": ["command"]
                }
            ],
            "type": "basic"
        },
        {
            "from": {
                "key_code": "h",
                "modifiers": {
                    "mandatory": ["control", "option"],
                    "optional": ["any"]
                }
            },
            "to": [
                {
                    "key_code": "delete_or_backspace",
                    "modifiers": ["option"]
                }
            ],
            "type": "basic"
        },
        {
            "from": {
                "key_code": "h",
                "modifiers": {
                    "mandatory": ["control"],
                    "optional": ["any"]
                }
            },
            "to": [{ "key_code": "delete_or_backspace" }],
            "type": "basic"
        }
    ]
}