Revert public/json/mouse_keys_mode_v4.json
Revert public/json/mouse_keys_mode_v4.json

pqrs-org/KE-complex_modifications,pqrs-org/KE-complex_modifications,pqrs-org/KE-complex_modifications,pqrs-org/KE-complex_modifications,pqrs-org/KE-complex_modifications,pqrs-org/KE-complex_modifications