Use toolforge cdn's hogan, fixing licensing issue

https://en.wikipedia.org/wiki/Wikipedia:Miscellany_for_deletion/MediaWiki:Gadget-afchelper.js/core.js

Gruntfile.js

@@ -9,17 +9,6 @@ module.exports = function ( grunt ) {
 			}
 		},
 
-		concat: {
-			options: {
-				separator: ';'
-			},
-			dependencies: {
-				files: {
-					'build/modules/core.js': [ 'node_modules/hogan.js/build/gh-pages/builds/2.0.0/hogan-2.0.0.js', 'build/modules/core.js' ]
-				}
-			}
-		},
-
 		clean: {
 			build: {
 				src: [ 'build' ]
@@ -72,7 +61,6 @@ module.exports = function ( grunt ) {
 
 	grunt.loadNpmTasks( 'grunt-autoprefixer' );
 	grunt.loadNpmTasks( 'grunt-contrib-clean' );
-	grunt.loadNpmTasks( 'grunt-contrib-concat' );
 	grunt.loadNpmTasks( 'grunt-contrib-copy' );
 	grunt.loadNpmTasks( 'grunt-contrib-cssmin' );
 	grunt.loadNpmTasks( 'grunt-contrib-less' );
@@ -100,7 +88,7 @@ module.exports = function ( grunt ) {
 	grunt.registerTask(
 		'build',
 		'Tests files, moves them to the /build directory, and minifies CSS.',
-		[ 'clean:build', 'test', 'copy', 'concat:dependencies', 'styling' ]
+		[ 'clean:build', 'test', 'copy', 'styling' ]
 	);
 
 	grunt.registerTask( 'default', [ 'build' ] );

package.json

@@ -15,17 +15,13 @@
     "test": "grunt test",
     "generate-certificates": "node scripts/generate-certificates.js"
   },
-  "dependencies": {
-    "hogan.js": "^3.0.2"
-  },
   "devDependencies": {
     "eslint": "^7.31.0",
     "eslint-config-wikimedia": "^0.20.0",
     "eslint-plugin-jsdoc": "^36.0.6",
     "grunt": "^1.4.1",
     "grunt-autoprefixer": "^3.0.4",
     "grunt-contrib-clean": "^2.0.0",
-    "grunt-contrib-concat": "^1.0.1",
     "grunt-contrib-copy": "^1.0.0",
     "grunt-contrib-cssmin": "^4.0.0",
     "grunt-contrib-less": "^3.0.0",

server.js

@@ -4,18 +4,14 @@
 // Serves the script from localhost for development purposes.
 // Note that we serve the un-built JS files from src/ instead of the built JS
 // files from build/. This avoids having to run the build process every time.
-// The build process does almost nothing for JS (as it just concatenates the
-// hogan file).
 
 const child_process = require('child_process');
 const fs = require('fs');
 const http = require('http');
 const process = require('process');
 
-const HOGAN_FILE = 'node_modules/hogan.js/build/gh-pages/builds/2.0.0/hogan-2.0.0.js';
-
-if(!fs.existsSync(HOGAN_FILE)) {
-	console.log('No file found at ' + HOGAN_FILE + ' - downloading it with "npm install"...');
+if(!fs.existsSync('./node_modules/jquery')) {
+	console.log('No file found at ./node_modules/jquery - downloading it with "npm install"...');
 	child_process.execSync('npm install', { stdio: 'inherit' });
 }
 
@@ -55,7 +51,6 @@ http.createServer({}, async function (req, res) {
 	// This is the reverse of what happens to filenames in scripts/upload.py
 	var content = '';
 	if(reqTitle.endsWith("core.js")) {
-		content += readFile(HOGAN_FILE) + ';';
 		content += readFile("src/modules/core.js");
 		// enable mockItUp by default for testing
 		content = content.replace(

src/afch.js

@@ -35,7 +35,10 @@
 	AFCH.consts.baseurl = AFCH.consts.scriptpath +
 		'?action=raw&ctype=text/javascript&title=MediaWiki:Gadget-afch.js';
 
-	$.getScript( AFCH.consts.baseurl + '/core.js' ).done( function () {
+	$.when(
+		$.getScript( AFCH.consts.baseurl + '/core.js' ),
+		$.getScript( 'https://tools-static.wmflabs.org/cdnjs/ajax/libs/hogan.js/3.0.2/hogan.min.js' )
+	).done( function () {
 		var loaded = AFCH.load( 'submissions' ); // perhaps eventually there will be more modules besides just 'submissions'
 		if ( !loaded ) {
 			mw.notify( 'AFCH could not be loaded: ' + ( AFCH.error || 'unknown error' ),