Revert "add IP here so I can run the playbook until the DNS cache drops my messup"

This reverts commit dfd4748d34.

inventory/inventory

@@ -805,7 +805,6 @@ copr-keygen.cloud.fedoraproject.org
 taiga.cloud.fedoraproject.org
 # graphite/statsd/grafana exploration
 grafana.cloud.fedoraproject.org
-209.132.184.51
 
 [jenkins-slaves]
 # EL-6 builder

playbooks/hosts/grafana.cloud.fedoraproject.org.yml

@@ -1,5 +1,5 @@
 - name: check/create instance
-  hosts: grafana.cloud.fedoraproject.org:209.132.184.51
+  hosts: grafana.cloud.fedoraproject.org
   user: fedora
   sudo: True
   gather_facts: False
@@ -15,7 +15,7 @@
   - include: "{{ tasks }}/growroot_cloud.yml"
 
 - name: setup all the things
-  hosts: grafana.cloud.fedoraproject.org:209.132.184.51
+  hosts: grafana.cloud.fedoraproject.org
   user: fedora
   sudo: True
   gather_facts: True