move banner_company_name into defaults

   * Make motd_company_name,ssh_banner_company_name inherit from banner_company_name

Change-Id: Ic1756cb7ad30a5f19922e1735c39a9580269b4ce
diff --git a/defaults/init.yml b/defaults/init.yml
index 089de14..81308c5 100644
--- a/defaults/init.yml
+++ b/defaults/init.yml
@@ -18,8 +18,9 @@
     linux_system_architecture: amd64
     linux_system_repo_url: "http://mirror.mirantis.com/${_param:apt_mk_version}/"
     # linux globals
-    motd_company_name: COMPANY_NAME
-    ssh_banner_company_name: COMPANY_NAME
+    banner_company_name: COMPANY_NAME
+    motd_company_name: "${_param:banner_company_name}"
+    ssh_banner_company_name: "${_param:banner_company_name}"
     # Openstack globals
     openstack_version: 'queens'
     # Docker artifact globals
diff --git a/linux/system/banner.yml b/linux/system/banner.yml
index 55b417f..65dd700 100644
--- a/linux/system/banner.yml
+++ b/linux/system/banner.yml
@@ -1,6 +1,4 @@
 parameters:
-  _param:
-    banner_company_name: COMPANY_NAME_HERE
   linux:
     system:
       banner: