gunicorn: Remove obsolete role

roles/gunicorn/files/gunicorn.service

@@ -1,16 +0,0 @@
-[Unit]
-Description=Gunicorn Service
-After=nss-user-lookup-target
-
-[Service]
-PIDFile=/run/gunicorn/%i.pid
-User=%i
-Group=%i
-ExecStart=/usr/bin/gunicorn --pid /run/gunicorn/%i.pid \
-    --bind unix:/run/gunicorn/%i.sock %i
-ExecReload=/bin/kill -s HUP $MAINPID
-ExecStop=/bin/kill -s TERM $MAINPID
-PrivateTmp=true
-
-[Install]
-Also=gunicorn@%i.socket

roles/gunicorn/files/gunicorn.socket

@@ -1,11 +0,0 @@
-[Unit]
-Description=Gunicorn Socket
-
-[Socket]
-ListenStream=/run/gunicorn/gunicorn-%i.sock
-RuntimeDirectory=gunicorn
-SocketUser=%i
-SocketMode=0660
-
-[Install]
-WantedBy=sockets.target

roles/gunicorn/tasks/main.yml

@@ -1,42 +0,0 @@
----
-- name: create gunicorn group
-  group:
-    name: gunicorn
-    system: true
-
-- name: install gunicorn packages
-  package:
-    name: python-gunicorn
-    state: installed
-
-- name: create runtime directory
-  file:
-    dest: /run/gunicorn
-    state: directory
-    mode: 0775
-    owner: root
-    group: gunicorn
-
-- name: create tmpfiles config
-  copy:
-    dest: /etc/tmpfiles.d/gunicorn.conf
-    content: "d /run/gunicorn 775 root gunicorn\n"
-    mode: 0644
-    owner: root
-    group: "{{ ansible_wheel }}"
-
-- name: create systemd socket template
-  copy:
-    dest: /lib/systemd/system/gunicorn@.socket
-    src: gunicorn.socket
-    mode: 0644
-    owner: root
-    group: "{{ ansible_wheel }}"
-
-- name: create systemd service template
-  copy:
-    dest: /lib/systemd/system/gunicorn@.service
-    src: gunicorn.service
-    mode: 0644
-    owner: root
-    group: "{{ ansible_wheel }}"