refactor(entry_converter): remove usage of rehype

src/app/entry/entry_converter.ts

@@ -1,21 +1,15 @@
-import rehypePrism from '@mapbox/rehype-prism';
-import html from 'rehype-stringify';
 import breaks from 'remark-breaks';
 import gfm from 'remark-gfm';
-import markdown from 'remark-parse';
-import remarkToRehype from 'remark-rehype';
+import html from 'remark-html';
+import parse from 'remark-parse';
 import stringify from 'remark-stringify';
 import strip from 'strip-markdown';
 import { unified } from 'unified';
 
-const markdownProcessor = unified().use(markdown).use(gfm);
+const markdownProcessor = unified().use(parse).use(gfm);
 
 export async function convertMarkdownToHtml(markdownText: string): Promise<string> {
-  const processor = markdownProcessor()
-    .use(breaks)
-    .use(remarkToRehype, { allowDangerousHtml: true })
-    .use(rehypePrism, { ignoreMissing: true })
-    .use(html, { allowDangerousHtml: true });
+  const processor = markdownProcessor().use(breaks).use(html, { sanitize: false });
 
   return (await processor.process(markdownText)).value.toString();
 }