Remove upgrade script

When using the mono repo each module had to check its own dependencies
for upgrades. We have replaced this with Renovate. So this script can be
removed.

package.json

@@ -342,8 +342,7 @@
     "test-coverage": "nyc --silent mocha 'src/**/*_spec.ts' 'compatibility/**/*_spec.ts' && nyc --silent --no-clean node bin/cucumber.js --tags \"not @source-mapping\" && nyc report --reporter=lcov",
     "test": "npm run lint && npm run exports-test && npm run types-test && npm run unit-test && npm run cck-test && npm run feature-test",
     "types-test": "tsd",
-    "unit-test": "mocha 'src/**/*_spec.ts'",
-    "update-dependencies": "npx npm-check-updates --upgrade"
+    "unit-test": "mocha 'src/**/*_spec.ts'"
   },
   "bin": {
     "cucumber-js": "bin/cucumber.js"