whole_func_string: function removeCollision(datasetId, params, cb) {
    debug('[%s] removeCollision');
    dataHandlers.removeCollision(datasetId, params.hash, params.meta_data, cb);
  }
func_code_string: function removeCollision(datasetId, params, cb) {
    debug('[%s] removeCollision');
    dataHandlers.removeCollision(datasetId, params.hash, params.meta_data, cb);
  }
func_documentation_string: Defines a handler function for deleting a collision from the collisions list.
  Should be called after the dataset is initialised.