Merge branch 'remove-metrics' into 'master'

Remove "CI/CD" from metrics title

See merge request gitlab-org/gitlab!46389

doc/operations/metrics/index.md

@@ -4,7 +4,7 @@ group: Health
 info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
 ---
 
-# Monitor your CI/CD environment's metrics **(CORE)**
+# Monitor your environment's metrics **(CORE)**
 
 GitLab helps your team monitor the health and performance of your applications
 and infrastructure by turning statistics and log files into charts and graphs