Fix systemd unit file installation in case the file does not exist

tasks/elasticsearch-config.yml

@@ -93,20 +93,19 @@
     stat:
       path: "{{ sysd_script }}"
     register: sysd_stat_result
-  
+
   - name: Remove if it is a normal file
     file:
       path: "{{ sysd_script }}"
       state: absent
-    when: not sysd_stat_result.stat.islnk
-  
+    when: sysd_stat_result.stat.exists and not sysd_stat_result.stat.islnk
+
   - name: Create a symbolic link to the default systemd location to the first instance running on this host
     become: yes
     file:
       state: link
       src: "{{ instance_sysd_script }}"
       path: "{{ sysd_script }}"
-    when: not sysd_stat_result.stat.islnk
     notify:
     - reload systemd configuration
     - restart elasticsearch