Remove Unicorn-related chef configs

We have some Unicorn leftovers in chef-repo.

I am opening an issue into main repo, to track it under the single epic.

https://ops.gitlab.net/gitlab-cookbooks/chef-repo/-/blob/master/roles/gprd-base.json#L959-965

Thanks @smcgivern for pointing this.

There many references:

roles/gprd-infra-prometheus-server-app.json|112 col 93| "chef_search": "recipes:omnibus-gitlab\\:\\:default AND (omnibus-gitlab_gitlab_rb_unicorn_enable:true OR omnibus-gitlab_gitlab_rb_puma_enable:true) AND chef_environment:gprd",
|| 
roles/gprd-base.json|625 col 23| "monitoring_unicorn_sampler_interval": 5,
roles/gprd-base.json|959 col 10| "unicorn": {
|| 
roles/marketo-tools.json|7 col 8| "unicorn_worker_processes": 20
|| 
roles/gprd-base-be-sidekiq.json|79 col 27| "recipe[gitlab-mtail::unicorn]"
|| 
roles/ops-base.json|143 col 10| "unicorn": {
|| 
roles/testbed-base.json|88 col 10| "unicorn": {
roles/testbed-base.json|192 col 23| "monitoring_unicorn_sampler_interval": 5,
|| 
roles/gstg-base-fe-web.json|78 col 20| "name": "unicorn",
roles/gstg-base-fe-web.json|126 col 27| "recipe[gitlab-mtail::unicorn]",
|| 
roles/gstg-infra-prometheus-server-app.json|119 col 93| "chef_search": "recipes:omnibus-gitlab\\:\\:default AND (omnibus-gitlab_gitlab_rb_unicorn_enable:true OR omnibus-gitlab_gitlab_rb_puma_enable:true) AND chef_environment:gstg",
|| 
roles/pre-base-fe-web.json|13 col 20| "name": "unicorn",
|| 
roles/ops-infra-gitlab.json|272 col 27| "recipe[gitlab-mtail::unicorn]",
roles/ops-infra-gitlab.json|281 col 29| "recipe[gitlab_fluentd::unicorn]",
|| 
roles/gstg-base.json|424 col 23| "monitoring_unicorn_sampler_interval": 5,
roles/gstg-base.json|703 col 10| "unicorn": {
|| 
roles/pre-infra-prometheus-server-app.json|34 col 93| "chef_search": "recipes:omnibus-gitlab\\:\\:default AND (omnibus-gitlab_gitlab_rb_unicorn_enable:true OR omnibus-gitlab_gitlab_rb_puma_enable:true) AND chef_environment:pre",
|| 
roles/gprd-base-fe-api.json|71 col 20| "name": "unicorn",
roles/gprd-base-fe-api.json|90 col 27| "recipe[gitlab-mtail::unicorn]"
|| 
roles/packages-gitlab-com.json|67 col 10| "unicorn_worker_processes": "18",
|| 
roles/gprd-base-console-node.json|44 col 10| "unicorn": {
|| 
roles/gstg-base-fe.json|62 col 27| "recipe[gitlab-mtail::unicorn]",
roles/gstg-base-fe.json|68 col 29| "recipe[gitlab_fluentd::unicorn]",
|| 
roles/pre-base.json|113 col 10| "unicorn": {
roles/pre-base.json|268 col 23| "monitoring_unicorn_sampler_interval": 5,
roles/pre-base.json|605 col 29| "recipe[gitlab_fluentd::unicorn]",
|| 
roles/gstg-base-be-sidekiq.json|82 col 27| "recipe[gitlab-mtail::unicorn]",
|| 
roles/gstg-base-be.json|78 col 29| "recipe[gitlab_fluentd::unicorn]",
|| 
roles/release-gitlab.json|230 col 10| "unicorn": {
|| 
roles/pre-base-fe.json|51 col 27| "recipe[gitlab-mtail::unicorn]",
|| 
roles/gprd-base-fe-web-pages.json|52 col 20| "name": "unicorn",
|| 
roles/gprd-base-fe.json|63 col 27| "recipe[gitlab-mtail::unicorn]",
roles/gprd-base-fe.json|69 col 29| "recipe[gitlab_fluentd::unicorn]",
|| 
roles/gprd-base-fe-api-cny.json|30 col 20| "name": "unicorn",
|| 
roles/pre-base-be-sidekiq.json|34 col 27| "recipe[gitlab-mtail::unicorn]"
|| 
roles/gstg-base-fe-web-pages.json|43 col 22| "name": "unicorn",
|| 
roles/gprd-base-fe-web.json|69 col 20| "name": "unicorn",
roles/gprd-base-fe-web.json|117 col 27| "recipe[gitlab-mtail::unicorn]"
|| 
roles/gstg-base-fe-api.json|77 col 20| "name": "unicorn",
roles/gstg-base-fe-api.json|96 col 27| "recipe[gitlab-mtail::unicorn]",
|| 
roles/gprd-base-deploy-node.json|59 col 10| "unicorn": {
|| 
roles/dev-gitlab-org.json|281 col 10| "unicorn": {
roles/dev-gitlab-org.json|346 col 27| "recipe[gitlab-mtail::unicorn]",
roles/dev-gitlab-org.json|357 col 29| "recipe[gitlab_fluentd::unicorn]",
|| 
roles/gprd-base-fe-web-cny.json|28 col 20| "name": "unicorn",
|| 
roles/pre-base-fe-api.json|13 col 20| "name": "unicorn",
|| 
roles/gprd-base-be.json|75 col 29| "recipe[gitlab_fluentd::unicorn]",
|| 
doc/obsolete/elasticsearch.md|31 col 113| `bundle exec knife ssh -a ipaddress role:gitlab-cluster-worker 'sudo /opt/gitlab/embedded/bin/sv status sidekiq unicorn'` and look at how many seconds the processes are alive for
doc/obsolete/elasticsearch.md|32 col 95| * If processes are too old, gracefully [bounce all the workers](doc/administration.md#restart-unicorn-and-sidekiq-across-all-works-gracefully)
Edited by Aleksei Lipniagov