Do not install geoipupdate unless geoip_account_id is defined

This should make it possible to set up an environment successfully
without setting up geoipupdate.

roles/float-util-geoip-base/tasks/main.yml

@@ -4,5 +4,6 @@
   apt:
     name: geoipupdate
     state: present
+  when: geoip_account_id is defined
 
 

roles/float-util-geoip-dataset/tasks/main.yml

@@ -16,3 +16,5 @@
     dest: "/etc/cron.d/geoipupdate_{{ item }}"
     content: "12 0 * * 5 root /usr/local/bin/splay 3600 && /usr/bin/geoipupdate -f /etc/GeoIP_{{ item }}.conf\n"
   with_items: "{{ geoip_dataset }}"
+  when: geoip_account_id is defined
+