[chore] Remove outdated links from CHANGELOG.md (#37085)

to fix links checks CI job:
https://github.com/open-telemetry/opentelemetry-collector-contrib/actions/runs/12662968505/job/35288769401

CHANGELOG.md

@@ -4363,7 +4363,6 @@ This release fixes CVE-2024-42368 on the `bearerauthtokenextension` (#34516)
 ### 🚩 Deprecations 🚩
 
 - `humioexporter`: Humio now known as LogScale beginning with version 1.68 supports OTLP using HTTP and no longer requires a product specific exporter. (#17013)
-  See https://library.humio.com/humio-server/endpoints.html
 
 ### 🚀 New components 🚀
 
@@ -6628,7 +6627,7 @@ The OpenTelemetry Collector Contrib contains everything in the [opentelemetry-co
 
 ### 🚀 New components 🚀
 
-- `humio` exporter to export data to Humio using JSON over the HTTP [Ingest API](https://library.humio.com/humio-server/api-ingest.html)
+- `humio` exporter to export data to Humio using JSON over the HTTP Ingest API
 - `udplog` receiver to receives logs from udp using the [opentelemetry-log-collection](https://github.com/open-telemetry/opentelemetry-log-collection) library
 - `tanzuobservability` exporter to send traces to [Tanzu Observability](https://tanzu.vmware.com/observability)