delete unused methods

frontend/src/utils/seafile-markdown2html.js

@@ -1,56 +0,0 @@
-var unified = require('unified');
-var markdown = require('remark-parse');
-var slug = require('remark-slug');
-var breaks = require('remark-breaks');
-var remark2rehype = require('remark-rehype');
-var format = require('rehype-format');
-var raw = require('rehype-raw');
-var xtend = require('xtend');
-var toHTML = require('hast-util-to-html');
-var sanitize = require('hast-util-sanitize');
-var gh = require('hast-util-sanitize/lib/github');
-var deepmerge = require('deepmerge').default;
-
-function stringify(config) {
-  var settings = xtend(config, this.data('settings'));
-  var schema = deepmerge(gh, {
-    'attributes': {
-      'input': [
-        'type',
-      ],
-      'li': [
-        'className'
-      ],
-      'code': [
-        'className',
-      ],
-    },
-    'tagNames': [
-      'input',
-      'code'
-    ]
-  });
-  this.Compiler = compiler;
-
-  function compiler(tree) {
-    // use sanity to remove dangerous html, the default is
-    var hast = sanitize(tree, schema);
-    return toHTML(hast, settings);
-  }
-}
-
-// markdown -> mdast -> html AST -> html
-var processor = unified()
-  .use(markdown, {commonmark: true})
-  .use(breaks)
-  .use(slug)
-  .use(remark2rehype, {allowDangerousHTML: true})
-  .use(raw)
-  .use(format)
-  .use(stringify);
-
-var processorGetAST = unified()
-  .use(markdown, {commonmark: true})
-  .use(slug);
-
-export { processor, processorGetAST };