chore: drop yarn lock and prefer npm
chore: drop yarn lock and prefer npm

justindujardin/angular-rpg,justindujardin/angular2-rpg,justindujardin/angular2-rpg,justindujardin/angular2-rpg,justindujardin/angular-rpg,justindujardin/angular-rpg,justindujardin/angular-rpg