Remove distributions from EE metric definitions

ee/config/metrics/counts_all/20210201124936_geo_nodes.yml

...ics/counts_all/20210204124854_license_management_jobs.yml

...ig/metrics/counts_all/20210216174822_ldap_group_links.yml

ee/config/metrics/counts_all/20210216174824_ldap_keys.yml

ee/config/metrics/counts_all/20210216174826_ldap_users.yml

...ounts_all/20210216174834_productivity_analytics_views.yml

...etrics/counts_all/20210216175028_requirements_created.yml

...ts_all/20210216175030_requirement_test_reports_manual.yml

...counts_all/20210216175032_requirement_test_reports_ci.yml

...unts_all/20210216175034_requirements_with_test_report.yml

...ts_all/20210216175047_merge_requests_with_added_rules.yml

...0210216175049_merge_requests_with_optional_codeowners.yml

...0210216175051_merge_requests_with_required_codeowners.yml

...0216175206_merged_merge_requests_using_approval_rules.yml

...ounts_all/20210216175211_dependency_list_usages_total.yml

...cs/counts_all/20210216175213_dependency_scanning_jobs.yml

...unts_all/20210216175216_user_dependency_scanning_jobs.yml

...ounts_all/20210216175218_user_license_management_jobs.yml

...s/counts_all/20210216175220_dependency_scanning_scans.yml

...ounts_all/20210216175328_kubernetes_agent_gitops_sync.yml