Remove unused runtime_tests.

PiperOrigin-RevId: 610514877

Author: Closure Team

package.json

@@ -1,23 +1,12 @@
 {
   "name": "closure-compiler",
-  "config": {
-    "runtime_tests_dir": "./test/com/google/javascript/jscomp/runtime_tests"
-  },
   "version": "1.0.0",
   "repository": "[email protected]:google/closure-compiler.git",
   "license": "Apache-2",
   "private": true,
   "devDependencies": {
     "closure-compiler-npm": "google/closure-compiler-npm"
   },
-  "dependencies": {
-    "chalk": "^4.1.0",
-    "future-event": "^1.5.0",
-    "glob": "^7.1.6",
-    "google-closure-library": "^20200719.0.0",
-    "jest": "^26.1.0",
-    "jsdom": "^16.3.0"
-  },
   "scripts": {
     "compile": "java -jar bazel-bin/compiler_uberjar_deploy.jar"
   }