Duplicate Drivers are written when exporting from a finalized mesh

[Hopefullyidontgetbanned]

Example of Duplication

       {
            "data_path": "key_blocks[\"Exp_Look_Out_Left\"].value",
            "array_index": 0,
            "driver": {
                "expression": "var * 10",
                "type": "SCRIPTED",
                "use_self": false,
                "variables": {
                    "var": {
                        "type": "TRANSFORMS",
                        "targets": [
                            {
                                "context_property": "ACTIVE_SCENE",
                                "bone_target": "eye_common",
                                "data_path": "",
                                "rotation_mode": "AUTO",
                                "transform_space": "LOCAL_SPACE",
                                "transform_type": "LOC_X",
                                "cm_id": "rig"
                            }
                        ]
                    },
                    "var_001": {
                        "type": "TRANSFORMS",
                        "targets": [
                            {
                                "context_property": "ACTIVE_SCENE",
                                "bone_target": "eye_common",
                                "data_path": "",
                                "rotation_mode": "AUTO",
                                "transform_space": "LOCAL_SPACE",
                                "transform_type": "LOC_X",
                                "cm_id": "rig"
                            }
                        ]
                    },
                    "var_002": {
                        "type": "TRANSFORMS",
                        "targets": [
                            {
                                "context_property": "ACTIVE_SCENE",
                                "bone_target": "eye_common",
                                "data_path": "",
                                "rotation_mode": "AUTO",
                                "transform_space": "LOCAL_SPACE",
                                "transform_type": "LOC_X",
                                "cm_id": "rig"
                            }
                        ]
                    },
                    "var_003": {
                        "type": "TRANSFORMS",
                        "targets": [
                            {
                                "context_property": "ACTIVE_SCENE",
                                "bone_target": "eye_common",
                                "data_path": "",
                                "rotation_mode": "AUTO",
                                "transform_space": "LOCAL_SPACE",
                                "transform_type": "LOC_X",
                                "cm_id": "rig"
                            }
                        ]
                    },
                    "var_004": {
                        "type": "TRANSFORMS",
                        "targets": [
                            {
                                "context_property": "ACTIVE_SCENE",
                                "bone_target": "eye_common",
                                "data_path": "",
                                "rotation_mode": "AUTO",
                                "transform_space": "LOCAL_SPACE",
                                "transform_type": "LOC_X",
                                "cm_id": "rig"
                            }
                        ]
                    }
                }
            }
        },

var_001 to var_004 are all duplicates from exporting from a finalized mesh that already contains the driver. Fixing this should include preventing duplication and not parsing duplicate variable, the intention is to make iteration easier without needing to edit JSON files.