docs: function removeRemoteTags(options) {
      assert.ok(options.tags, 'tag is mandatory');
  
      return options.tags
          .reduce(function(soFar, tag) {
            var args = [
              'push',
              options.remote || 'origin',
              ':refs/tags/' + tag
            ];
  
            return soFar
                .then(gitFn(args))
                .then(silent);
          }, Promise.resolve());
    }