remove redundant read-write flags

Author: Bryan Kendall

ansible/group_vars/alpha-consul.yml

@@ -12,9 +12,9 @@ container_tag: v0.5.2
 container_run_opts: >
   -d
   -h {{ inventory_hostname }}
-  -v /consul:/data:rw
+  -v /consul:/data
   -v /etc/consul.d:/etc/consul.d:ro
-  -v /var/log:/var/log:rw
+  -v /var/log:/var/log
   -p {{ ansible_default_ipv4.address }}:8300:8300
   -p {{ ansible_default_ipv4.address }}:8301:8301
   -p {{ ansible_default_ipv4.address }}:8301:8301/udp