js: drop typopro-web package.

Drop the typopro-web Javascript package that we used to import the Comic
Relief and Kalam fonts. Include these fonts directly in our own repo
instead. This drops a bunch of unnecessary Javascript dependencies.
Fixes Dependabot alerts about security issues in random Javascript
dependencies pulled in by the typopro-web package.

package.json

@@ -33,7 +33,6 @@
     "sass": "^1.48.0",
     "sass-loader": "^12.4.0",
     "tippy.js": "^6.3.7",
-    "typopro-web": "^4.2.6",
     "webpack": "^5.66.0",
     "webpack-cli": "^4.9.1"
   },