Remove references to Debian 8

I don't need or want to support Debian 8 anymore so I can remove all
references to it in comments and code.

roles/php-fpm/handlers/main.yml

@@ -1,8 +1,4 @@
 ---
-# For Debian 8
-- name: restart php5-fpm
-  service: name=php5-fpm state=restarted
-
 # For Ubuntu 16.04 and Debian 9
 - name: reload php7.0-fpm
   systemd: name=php7.0-fpm state=reloaded

roles/php-fpm/tasks/Debian.yml

@@ -1,31 +0,0 @@
----
-- name: Install php5-fpm and deps
-  apt: name={{ item }} state=present update_cache=yes
-  with_items:
-    - php5-fpm
-    # for WordPress
-    - php5-mysql
-    - php5-gd
-    - php5-curl
-  tags: php-fpm, packages
-
-# only copy php-fpm config for vhosts that need WordPress or PHP
-- name: Copy php5-fpm pool config
-  template: src=pool.conf.j2 dest=/etc/php5/fpm/pool.d/{{ item.domain_name }}.conf owner=root group=root mode=0644
-  with_items: "{{ nginx_vhosts }}"
-  when: (item.has_wordpress is defined and item.has_wordpress == True) or (item.needs_php is defined and item.needs_php == True)
-  notify: restart php5-fpm
-  tags: php-fpm
-
-- name: Remove default www pool
-  file: path=/etc/php5/fpm/pool.d/www.conf state=absent
-  notify: restart php5-fpm
-  tags: php-fpm
-
-# re-configure php.ini
-- name: Update php.ini
-  template: src=php.ini.j2 dest=/etc/php5/fpm/php.ini owner=root group=root mode=0644
-  notify: restart php5-fpm
-  tags: php-fpm
-
-# vim: set ts=2 sw=2:

roles/php-fpm/tasks/main.yml

@@ -2,11 +2,6 @@
 # Note: Debian 9's php-fpm config is identical to Ubuntu 16.04's, so for now we
 # can capitalize on that and use the same tasks.
 
-- name: Configure php-fpm on old Debian
-  import_tasks: Debian.yml
-  when: ansible_distribution == 'Debian' and ansible_distribution_major_version | version_compare('9', '<')
-  tags: php-fpm
-
 - name: Configure php-fpm on Ubuntu and Debian 9
   import_tasks: Ubuntu.yml
   when: ansible_distribution == 'Ubuntu' or (ansible_distribution == 'Debian' and ansible_distribution_major_version | version_compare('9', '=='))