chore: Clean up unused files, imports, and work on getting end-to-end tests and unit tests running (#2272)

extensions/default/package.json

@@ -29,12 +29,14 @@
   "peerDependencies": {
     "@ohif/core": "^0.50.0",
     "@ohif/i18n": "^0.52.8",
-    "react-i18next": "^10.11.0",
+    "dcmjs": "0.16.1",
+    "dicomweb-client": "^0.6.0",
     "prop-types": "^15.6.2",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",
+    "react-i18next": "^10.11.0",
     "webpack": "^4.0.0",
-    "dcmjs": "0.16.1"
+    "webpack-merge": "^5.7.3"
   },
   "dependencies": {
     "@babel/runtime": "7.7.6"