RHDEVDOCS-6252: Remove deprecated tls_hostname_override parameter from Pipelines docs

Author: eromanova97

modules/op-installing-results.adoc

@@ -36,7 +36,6 @@ To install {tekton-results}, you must provide the required resources and then cr
     logs_type: File
     logs_buffer_size: 32768
     auth_disable: true
-    tls_hostname_override: tekton-results-api-service.openshift-pipelines.svc.cluster.local
     db_enable_auto_migration: true
     server_port: 8080
     prometheus_port: 9090