add/remove packages

package.json

@@ -15,6 +15,7 @@
     "mdast-util-toc": "^5.0.4",
     "next": "^10.0.0",
     "next-mdx-remote": "^1.0.0",
+    "node-html-parser": "^1.4.8",
     "prism-react-renderer": "^1.1.1",
     "react": "16.13.1",
     "react-dom": "16.13.1",
@@ -29,19 +30,14 @@
     "del": "^6.0.0",
     "globby": "^11.0.1",
     "gray-matter": "^4.0.2",
+    "html-to-text": "^6.0.0",
     "next-plugin-transpile-modules": "^2.0.0",
     "next-transpile-modules": "^4.1.0",
     "node-sass": "^4.14.1",
     "rehype-highlight": "^4.0.0",
-    "rehype-preset-minify": "^5.1.0",
     "rehype-react": "^6.1.0",
-    "rehype-stringify": "^8.0.0",
     "remark-lint": "^7.0.1",
-    "remark-lint-first-heading-level": "^2.0.1",
-    "remark-parse": "^8.0.3",
-    "remark-rehype": "^7.0.0",
     "remark-slug": "^6.0.0",
-    "remark-toc": "^7.0.0",
     "sharp": "^0.26.2",
     "typedoc": "^0.18.0",
     "typescript": "^4.0.5",