remove unneeded files/packages

export_versions.sh is in the 'setup' folder of e-mission-server and will be downloaded dynamically via bin/setup.sh; does not need to be duplicated here

We do not need babel to run the jest tests because Transcrypt outputs jest-compliant JS

package.json

@@ -5,17 +5,12 @@
   "description": "A common library to share code between projects in the e-mission-platform. Written in Python and exposed as both Python and JavaScript.",
   "main": "./emcommon_js/index.js",
   "types": "./emcommon_js/dist/index.d.ts",
-  "scripts": {
-    "test": "jest"
-  },
   "jest": {
     "testMatch": [
       "**/test_*.js"
     ],
     "globals": { "window": {} },
-    "transform": {
-      "^.+\\.jsx?$": "babel-jest"
-    }
+    "transform": {}
   },
   "prettier": {
     "printWidth": 100,
@@ -30,18 +25,8 @@
   "dependencies": {
     "color": "^3.1.2"
   },
-  "babel": {
-    "presets": [
-      "@babel/preset-env"
-    ]
-  },
   "devDependencies": {
     "@types/jest": "^29.5.12",
-    "@babel/preset-env": "^7.14.5",
-    "@babel/preset-react": "^7.14.5",
-    "@babel/preset-typescript": "^7.14.5",
-    "@babel/plugin-transform-runtime": "^7.14.5",
-    "babel-jest": "^27.0.0",
     "jest": "^29.7.0",
     "jest-environment-jsdom": "^29.7.0",
     "mapshaper": "^0.6.99",