Remove unused URL

Author: drewcorlin1

packages/esbuild-plugin-node/README.md

@@ -149,4 +149,3 @@ APACHE 2.0 - See [LICENSE][license-url] for more information.
 [npm-img]: https://badge.fury.io/js/%40opentelemetry%2Fauto-instrumentations-node.svg
 [env-var-url]: https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/configuration/sdk-environment-variables.md#general-sdk-configuration
 [exporter-url]: https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/configuration/sdk-environment-variables.md#otlp-exporter
-[require-url]: https://nodejs.org/api/cli.html#-r---require-module