Purge legacy cleanup tasks from older than 1 year (#4450)

We don't need to support upgrades from 2 year old installs,
just from the last major version.

Also changed most retried tasks to 1s delay instead of longer.

roles/etcd/handlers/main.yml

@@ -40,8 +40,8 @@
     client_key: "{{ etcd_cert_dir }}/member-{{ inventory_hostname }}-key.pem"
   register: result
   until: result.status is defined and result.status == 200
-  retries: 10
-  delay: 5
+  retries: 60
+  delay: 1
 
 - name: wait for etcd-events up
   uri:
@@ -51,8 +51,8 @@
     client_key: "{{ etcd_cert_dir }}/member-{{ inventory_hostname }}-key.pem"
   register: result
   until: result.status is defined and result.status == 200
-  retries: 10
-  delay: 5
+  retries: 60
+  delay: 1
 
 - name: set etcd_secret_changed
   set_fact: