Remove mirror_load_balancer stuff

This never really worked to well and since basically all PIA boxes that we
balanced to have died by now and it's also pretty slow.

playbooks/mirror.pkgbuild.com.yml

----
-
-- name: setup mirror load balancer (using geoip)
-  hosts: mirror.pkgbuild.com
-  remote_user: root
-  roles:
-    - { role: common }
-    - { role: firewalld }
-    - { role: sshd }
-    - { role: root_ssh }
-    - { role: sudo }
-    - { role: zabbix-agent, when: "'unmanaged' not in group_names" }
-    - { role: certbot }
-    - { role: nginx }
-    - { role: mirror_load_balancer }

roles/mirror_load_balancer/files/load-geoip.conf

-load_module /usr/lib/nginx/modules/ngx_http_geoip2_module.so;

roles/mirror_load_balancer/tasks/main.yml

----
-
-- name: install nginx-mod-geoip2
-  pacman: name=nginx-mod-geoip2,geoipupdate state=present
-
-- name: install geoipupdate config
-  template: src=GeoIP.conf.j2 dest=/etc/GeoIP.conf owner=root group=root mode=0644
-  notify:
-
-- name: install mirror.pkgbuild.com.conf
-  template: src=nginx.d.conf.j2 dest=/etc/nginx/nginx.d/mirror.pkgbuild.com.conf owner=root group=root mode=0644
-  notify:
-    - reload nginx
-  tags: ['nginx']
-
-- name: install toplevel-snippet
-  copy: src=load-geoip.conf dest=/etc/nginx/toplevel-snippets/load-geoip.conf owner=root group=root mode=0644
-  notify:
-    - reload nginx
-  tags: ['nginx']
-
-- name: make nginx log dir
-  file: path=/var/log/nginx/{{ mirror_domain }} state=directory owner=root group=root mode=0755
-
-- name: enable geoipupdate timer
-  systemd: name=geoipupdate.timer enabled=yes state=started

roles/mirror_load_balancer/templates/GeoIP.conf.j2

-AccountID {{ vault_mirror_maxmind_id }}
-LicenseKey {{ vault_mirror_maxmind_license }}
-
-EditionIDs GeoLite2-City

roles/mirror_load_balancer/templates/nginx.d.conf.j2

-geoip2 /var/lib/GeoIP/GeoLite2-City.mmdb {
-   $geoip2_data_continent_name continent names en;
-}
-
-map $geoip2_data_continent_name $preferred_upstream {
-    default ger.mirror.pkgbuild.com;
-    'Africa' ger.mirror.pkgbuild.com;
-    'Europe' ger.mirror.pkgbuild.com;
-}
-
-log_format loadbalancer
-    '$host [$time_local] "$request" '
-    '$status $body_bytes_sent "$http_referer" '
-    '"$http_user_agent" dispatched to $scheme://$preferred_upstream$request_uri';
-
-server {
-    listen       80;
-    listen       [::]:80;
-    listen       443 ssl http2;
-    listen       [::]:443 ssl http2;
-    server_name  {{ mirror_domain }};
-
-    access_log   /var/log/nginx/{{ mirror_domain }}/access.log loadbalancer;
-    error_log    /var/log/nginx/{{ mirror_domain }}/error.log;
-
-    include snippets/letsencrypt.conf;
-
-    ssl_certificate      /etc/letsencrypt/live/{{ mirror_domain }}/fullchain.pem;
-    ssl_certificate_key  /etc/letsencrypt/live/{{ mirror_domain }}/privkey.pem;
-    ssl_trusted_certificate /etc/letsencrypt/live/{{ mirror_domain }}/chain.pem;
-
-    location / {
-        return $scheme://$preferred_upstream$request_uri;
-    }
-}