replace hardcoded /etc/elasticsearch dir by the good variable

tasks/elasticsearch-template.yml

@@ -2,13 +2,13 @@
 
 - name: ensure templates dir is created
   file:
-    path: /etc/elasticsearch/templates
+    path: "{{ es_conf_dir }}/templates"
     state: directory
     owner: "{{ es_user }}"
     group: "{{ es_group }}"
 
 - name: Copy templates to elasticsearch
-  copy: src={{ item }} dest=/etc/elasticsearch/templates owner={{ es_user }} group={{ es_group }}
+  copy: src={{ item }} dest={{ es_conf_dir }}/templates owner={{ es_user }} group={{ es_group }}
   register: load_templates
   with_fileglob:
     - "{{ es_templates_fileglob | default('') }}"