Updates to docs and sequence of role invocations.

defaults/main.yml

diff --git a/defaults/main.yml b/defaults/main.yml
index fa21398..7a86068 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -7,13 +7,6 @@
 apigee_net_ipv4_tcp_fin_timeout: 15
 apigee_max_map_count: 131072
 
-sysctl_minimum:
-- { name: 'vm.swappiness', value: "{{ vm_swappiness }}" }
-- { name: 'net.ipv6.conf.all.disable_ipv6', value: '1' }
-- { name: 'net.ipv6.conf.default.disable_ipv6', value: '1' }
-- { name: 'net.ipv4.tcp_fin_timeout', value: "{{ apigee_net_ipv4_tcp_fin_timeout }}" }
-- { name: 'vm.max_map_count', value: '{{ apigee_max_map_count }}' }
-
 qpid_client: ftp://fr2.rpmfind.net/linux/epel/7/x86_64/q/qpid-cpp-client-1.35.0-3.el7.x86_64.rpm
 qpid_server: ftp://fr2.rpmfind.net/linux/epel/7/x86_64/q/qpid-cpp-server-1.35.0-3.el7.x86_64.rpm
 

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index 9289239..d3fc018 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -15,16 +15,6 @@
     replace: '{{ item.replace }}'
   with_items: "{{ clear_etc_hosts }}"
 
-- name: Update sysctl attributes for ipv6
-  tags: ['ipv6']
-  become: yes
-  sysctl:
-    name: "{{ item.name }}"
-    value: "{{ item.value }}"
-    state: present
-    sysctl_set: yes
-  with_items: "{{ sysctl_ipv6 }}"
-
 - block:
   - name: Start rngd service
     service:
@@ -59,15 +49,6 @@
   become: yes
   when: ansible_os_family == "RedHat" and ansible_distribution_major_version | version_compare("6", ">")
 
-- name: Update sysctl attributes
-  become: yes
-  sysctl:
-    name: "{{ item.name }}"
-    value: "{{ item.value }}"
-    state: present
-    sysctl_set: yes
-  with_items: "{{ sysctl_minimum }}"
-
 - name: Update for apigee installation environment
   become: yes
   lineinfile: