Clean up dependencies

node_modules/gray-matter/lib/defaults.js

@@ -1,18 +0,0 @@
-'use strict';
-
-const engines = require('./engines');
-const utils = require('./utils');
-
-module.exports = function(options) {
-  const opts = Object.assign({}, options);
-
-  // ensure that delimiters are an array
-  opts.delimiters = utils.arrayify(opts.delims || opts.delimiters || '---');
-  if (opts.delimiters.length === 1) {
-    opts.delimiters.push(opts.delimiters[0]);
-  }
-
-  opts.language = (opts.language || opts.lang || 'yaml').toLowerCase();
-  opts.engines = Object.assign({}, engines, opts.parsers, opts.engines);
-  return opts;
-};