Issue #42: Add note about registry auth, drop redis requests.

roles/tower/defaults/main.yml

@@ -30,8 +30,6 @@ tower_web_cpu_request: 1000m
 tower_memcached_image: memcached:alpine
 
 tower_redis_image: redis:latest
-tower_redis_mem_request: 1Gi
-tower_redis_cpu_request: 500m
 
 tower_postgres_pass: awxpass
 tower_postgres_image: postgres:10

roles/tower/templates/tower_redis.yaml.j2

@@ -22,10 +22,6 @@ spec:
         name: redis
         ports:
         - containerPort: 6379
-        resources:
-          requests:
-            memory: "{{ tower_redis_mem_request }}"
-            cpu: "{{ tower_redis_cpu_request }}"
 
 # Redis Service.
 ---