Revert "Drop linux capabilities and rework users/groups"

roles/kubernetes/node/defaults/main.yml

@@ -29,18 +29,3 @@ nginx_image_repo: nginx
 nginx_image_tag: 1.11.4-alpine
 
 etcd_config_dir: /etc/ssl/etcd
-
-# Linux capabilities to be dropped for container engines
-apps_drop_cap:
-  - chown
-  - dac_override
-  - fowner
-  - fsetid
-  - kill
-  - setgid
-  - setuid
-  - setpcap
-  - sys_chroot
-  - mknod
-  - audit_write
-  - setfcap