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

extensions/dicom-microscopy/package.json

@@ -1,39 +0,0 @@
-{
-  "name": "@ohif/extension-dicom-microscopy",
-  "version": "0.50.9",
-  "description": "OHIF extension for Dicom Microscopy",
-  "author": "OHIF",
-  "license": "MIT",
-  "repository": "OHIF/Viewers",
-  "main": "dist/index.umd.js",
-  "module": "src/index.js",
-  "publishConfig": {
-    "access": "public"
-  },
-  "files": [
-    "dist",
-    "README.md"
-  ],
-  "engines": {
-    "node": ">=10",
-    "npm": ">=6",
-    "yarn": ">=1.16.0"
-  },
-  "scripts": {
-    "dev": "cross-env NODE_ENV=development webpack --config .webpack/webpack.dev.js --watch --debug --output-pathinfo",
-    "dev:dicom-microscopy": "yarn run dev",
-    "build": "cross-env NODE_ENV=production webpack --config .webpack/webpack.prod.js",
-    "build:package": "yarn run build",
-    "start": "yarn run dev"
-  },
-  "peerDependencies": {
-    "@ohif/core": "^0.50.0",
-    "react": "^16.11.0",
-    "react-dom": "^16.11.0"
-  },
-  "dependencies": {
-    "@babel/runtime": "7.7.6",
-    "classnames": "^2.2.6",
-    "dicom-microscopy-viewer": "^0.6.1"
-  }
-}