chore: remove v3 tests

Author: david-luna

plugins/node/opentelemetry-instrumentation-mongodb/package.json

@@ -7,7 +7,7 @@
   "repository": "open-telemetry/opentelemetry-js-contrib",
   "scripts": {
     "docker:start": "docker run -e MONGODB_DB=opentelemetry-tests -e MONGODB_PORT=27017 -e MONGODB_HOST=127.0.0.1 -p 27017:27017 --rm mongo",
-    "test": "npm run test-v3 && npm run test-v4 && npm run test-v5-v6",
+    "test": "npm run test-v4 && npm run test-v5-v6",
     "test-v3": "tav mongodb 3.7.4 npm run test-v3-run",
     "test-v4": "tav mongodb 4.17.0 npm run test-v4-run",
     "test-v5-v6": "npm run test-v5-v6-run",