Move platform specific vars

These will be ignored when not present

playbook.yml

@@ -1,14 +1,11 @@
 - hosts: localhost
   pre_tasks:
-    - name: load OS specific vars
-      include_vars: '{{ item }}'
-      with_first_found:
-        - files:
-            - '{{ ansible_distribution|lower }}-{{ ansible_distribution_release|lower }}.yml'
-            - '{{ ansible_distribution|lower }}.yml'
-            - '{{ ansible_os_family|lower }}.yml'
-          paths:
-            - 'vars/'
+      - name: install packages
+      become: true
+      package:
+        name: '{{ item }}'
+        state: present
+      loop: '{{ packages }}'
     - name: add gitlab to known hosts
       include_role:
         name: common
@@ -17,12 +14,6 @@
         user: '{{ ansible_user_id }}'
         items:
           - { domain: '{{ gitlab_domain }}', key: '{{ gitlab_host_key }}' }
-    - name: install packages
-      become: true
-      package:
-        name: '{{ item }}'
-        state: present
-      loop: '{{ packages }}'
   roles:
     - common
     - npm
@@ -35,3 +26,6 @@
     - import_tasks: 'tasks/coc.yml'
   vars_files:
     - 'vars/main.yml'
+    - 'vars/{{ ansible_os_family|lower }}.yml'
+    - 'vars/{{ ansible_distribution|lower }}.yml'
+    - 'vars/{{ ansible_distribution|lower }}-{{ ansible_distribution_release|lower }}.yml'