DEV: Merge package.json files (#21172)

This means: a single yarn.lock and removing one of the package.json files

.licensee.json

@@ -5,14 +5,32 @@
       "CC0-1.0",
       "CC-BY-3.0",
       "CC-BY-4.0",
-      "Apache-2.0 WITH LLVM-exception"
+      "Apache-2.0 WITH LLVM-exception",
+      "ISC"
     ]
   },
   "packages": {
     "@fortawesome/fontawesome-free": "*",
+    "component-bind": "1.0.0",
+    "component-inherit": "0.0.3",
+    "duplex": "1.0.0",
     "ember-template-lint-plugin-discourse": "*",
+    "glob": "3.1.21",
+    "indexof": "0.0.1",
+    "inherits": "1.0.2",
+    "jsonify": "0.0.0",
+    "line-stream": "0.0.0",
+    "messageformat": "0.1.5",
+    "regenerator-transform": "0.10.1",
+    "source-map": "0.1.43",
+    "sourcemap-validator": "1.1.1",
     "squoosh": "2.0.0",
     "taffydb": "2.6.2"
   },
-  "corrections": true
-}
+  "corrections": true,
+  "ignore": [
+    {
+      "author": "Discourse"
+    }
+  ]
+}