Skip installing ruby, the app does it

Now we don't have to manage the ruby version in two places. The bash
script in the app is also faster than Ansible.

bin/requirements.yml

@@ -2,9 +2,6 @@
 - src: geerlingguy.security
   version: 1.5.0
 
-- src: zzet.rbenv
-  version: 3.4.2
-
 - src: jdauphant.nginx
   version: v2.21.2
 

inventory/group_vars/all.yml

@@ -50,18 +50,6 @@ swapfile_size: false
 
 #----------------------------------------------------------------------
 # Rails variables
-ruby_version: 3.1.4
-
-rbenv_extra_depends:
-  - libjemalloc-dev
-
-ruby_compile_options: "--with-jemalloc"
-
-ruby_versions:
-  - version: 3.1.4
-    env:
-      RUBY_CONFIGURE_OPTS: "{{ ruby_compile_options }}"
-
 env:
   RAILS_ENV: "{{ rails_env }}"
   PATH: "{{ gem_home }}/bin:{{ ansible_env.PATH }}"
@@ -422,16 +410,6 @@ nginx_configs:
 # Set python interpeter to the symlink created by setup
 ansible_python_interpreter: '/usr/bin/python'
 
-# Fix for renamed branch in rbenv-install repo
-rbenv_plugins:
-  - { name: "rbenv-vars",         repo: "https://github.com/rbenv/rbenv-vars.git",         version: "master" }
-  - { name: "ruby-build",         repo: "https://github.com/rbenv/ruby-build.git",         version: "master" }
-  - { name: "rbenv-default-gems", repo: "https://github.com/rbenv/rbenv-default-gems.git", version: "master" }
-  - { name: "rbenv-installer",    repo: "https://github.com/rbenv/rbenv-installer.git",    version: "main" }
-  - { name: "rbenv-update",       repo: "https://github.com/rkh/rbenv-update.git",         version: "master" }
-  - { name: "rbenv-whatis",       repo: "https://github.com/rkh/rbenv-whatis.git",         version: "master" }
-  - { name: "rbenv-use",          repo: "https://github.com/rkh/rbenv-use.git",            version: "master" }
-
 template_notice: |
   # Managed via ofn-install, any changes will be overwritten.
   # Please notify @devs of any changes in [#devops](https://openfoodnetwork.slack.com/archives/CEBMTRCNS) (But do not share secrets in public channel!)

playbooks/provision.yml

@@ -41,17 +41,6 @@
     - role: language # Setup locale.
       tags: language
 
-    - role: zzet.rbenv # Install ruby. If missing run: ansible-galaxy install zzet.rbenv
-      rbenv:
-        env: user
-        version: v1.0.0
-        default_ruby: "{{ ruby_version }}"
-        rubies: "{{ ruby_versions }}"
-      rbenv_set_vars: false
-      rbenv_users:
-        - "{{ app_user }}"
-      tags: ruby
-
     - role: app # Build the app directory structure and support files.
       become: yes
       become_user: "{{ app_user }}"
@@ -111,14 +100,6 @@
       tags: newrelic
 
   tasks:
-    - name: Fix Ruby # noqa 301
-      command:
-        cmd: bash -lc "rbenv uninstall -f {{ ruby_version }} && rbenv install {{ ruby_version }} && touch ~/.rbenv/versions/{{ ruby_version }}/.reinstalled"
-        creates: "~/.rbenv/versions/{{ ruby_version }}/.reinstalled"
-      become: yes
-      become_user: "{{ app_user }}"
-      when: ansible_distribution_major_version >= '20'
-
     - meta: flush_handlers # Ensure handlers run successfully before reporting success
 
     - name: notify slack

roles/app/tasks/main.yml

@@ -45,9 +45,3 @@
     version={{ l10n_git_version }}
     force=yes
   tags: l10n
-
-- name: clear default rbenv vars
-  file:
-    dest: "{{ app_user_home_path }}/.rbenv/vars"
-    state: absent
-  become: yes

roles/common/tasks/main.yml

@@ -27,6 +27,7 @@
 
       # build ruby and gems
       - build-essential
+      - libjemalloc-dev
 
       # manage code
       - git-core