fix lint

remove extra lint causing lint error

Author: maryliag

experimental/CHANGELOG.md

@@ -26,7 +26,6 @@ All notable changes to experimental packages in this project will be documented
 * refactor(instr-http): use exported strings for semconv. [#4573](https://github.com/open-telemetry/opentelemetry-js/pull/4573/) @JamieDanielson
 * feat(sdk-node): add `HostDetector` as default resource detector
 
-
 ### :bug: (Bug Fix)
 
 * fix(exporter-*-otlp-*): use parseHeaders() to ensure header-values are not 'undefined' #4540