Merge pull request #3159 from edx/arbab/fix-duplicate-dict

fix error - found a duplicate dict key (when).  Using last defined value only

playbooks/roles/aws/tasks/main.yml

@@ -153,13 +153,11 @@
     name: ssh
     state: restarted
   become: True
-  when: sshd_config.changed
-  when: ansible_distribution in common_debian_variants
+  when: sshd_config.changed and ansible_distribution in common_debian_variants
 
 - name: Restart ssh
   service:
     name: sshd
     state: restarted
   become: True
-  when: sshd_config.changed
-  when: ansible_distribution in common_redhat_variants
+  when: sshd_config.changed and ansible_distribution in common_redhat_variants