code: function(key)
    {
      var db = this;
      var model = db.all[ key ];
  
      if ( db.cache === Cache.All )
      {
        return db.destroyLocalCachedModel( model, key );
      }
      else
      {
        return db.destroyLocalUncachedModel( model, key );
      }
    }
docs: Destroys a model locally because it doesn't exist remotely