Drop Grafana and related code from the package

Software configuration and related code and documentation are removed
from the package.

Closes https://gitlab.com/gitlab-org/omnibus-gitlab/-/issues/8092

Changelog: removed

Author: pursultani

.custom_sources.yml

@@ -82,9 +82,6 @@ nginx-module-vts:
 ngx_security_headers:
   remote: "[email protected]:omnibus-mirror/ngx_security_headers.git"
   alternative: "https://gitlab.com/gitlab-org/build/omnibus-mirror/ngx_security_headers.git"
-grafana-dashboards:
-  remote: "[email protected]:omnibus-mirror/grafana-dashboards.git"
-  alternative: "https://gitlab.com/gitlab-org/grafana-dashboards.git"
 zlib:
   remote: "[email protected]:omnibus-mirror/zlib.git"
   alternative: "https://gitlab.com/gitlab-org/build/omnibus-mirror/zlib.git"
@@ -154,9 +151,6 @@ libtensorflow_lite:
 spamcheck:
   remote: "[email protected]:gitlab/spamcheck.git"
   alternative: "https://gitlab.com/gitlab-com/gl-security/engineering-and-research/automation-team/spam/spamcheck.git"
-grafana:
-  remote: "[email protected]:omnibus-mirror/grafana.git"
-  alternative: "https://gitlab.com/gitlab-org/build/omnibus-mirror/grafana.git"
 ncurses:
   remote: "[email protected]:omnibus-mirror/ncurses.git"
   alternative: "https://gitlab.com/gitlab-org/build/omnibus-mirror/ncurses.git"

.rubocop_todo.yml

@@ -279,12 +279,6 @@ Style/HashTransformation:
     - 'files/gitlab-cookbooks/gitlab/libraries/nginx.rb'
     - 'lib/gitlab/deployer_helper.rb'
 
-# Offense count: 1
-# This cop supports safe autocorrection (--autocorrect).
-Style/IfUnlessModifier:
-  Exclude:
-    - 'files/gitlab-cookbooks/monitoring/recipes/grafana.rb'
-
 # Offense count: 43
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: EnforcedOctalStyle.

config/patches/grafana/cve-2023-1410.patch

@@ -117,7 +117,6 @@
 dependency 'go-crond'
 dependency 'docker-distribution-pruner'
 
-dependency 'grafana-dashboards'
 if Build::Check.include_ee?
   dependency 'consul'
   dependency 'pgbouncer-exporter'
@@ -131,7 +130,6 @@
 dependency 'redis-exporter'
 dependency 'postgres-exporter'
 dependency 'prometheus'
-dependency 'grafana'
 dependency 'gitlab-exporter'
 dependency 'mattermost'
 

config/patches/grafana/deprecation-warning.patch

@@ -184,13 +184,6 @@ dependencies:
         - filename: config/software/libtiff.rb
           pattern: "Gitlab::Version.new\\('libtiff', 'v(\\S+)'\\)"
           tag_prefix: 'v'
-      # grafana
-      https://github.com/grafana/grafana.git:
-        replace_in_files:
-        - filename: config/software/grafana.rb
-          pattern: "Gitlab::Version.new\\('grafana', '(\\S+)'\\)"
-          tag_prefix: 'v'
-          range: '< 8.0.0'
       # gitlab-registry
       https://gitlab.com/gitlab-org/container-registry.git:
         replace_in_files: