Fix ETCD_CIPHER_SUITES shell var assignment (#7002)

roles/etcd/templates/etcd-events.env.j2

@@ -32,7 +32,7 @@ ETCD_PEER_KEY_FILE={{ etcd_cert_dir }}/member-{{ inventory_hostname }}-key.pem
 ETCD_PEER_CLIENT_CERT_AUTH={{ etcd_peer_client_auth }}
 
 {% if etcd_tls_cipher_suites is defined %}
-ETCD_CIPHER_SUITES: {% for tls in etcd_tls_cipher_suites %}{{ tls }}{{ "," if not loop.last else "" }}{% endfor %}
+ETCD_CIPHER_SUITES={% for tls in etcd_tls_cipher_suites %}{{ tls }}{{ "," if not loop.last else "" }}{% endfor %}
 {% endif %}
 
 {% for key, value in etcd_extra_vars.items() %}

roles/etcd/templates/etcd.env.j2

@@ -41,7 +41,7 @@ ETCD_PEER_KEY_FILE={{ etcd_cert_dir }}/member-{{ inventory_hostname }}-key.pem
 ETCD_PEER_CLIENT_CERT_AUTH={{ etcd_peer_client_auth }}
 
 {% if etcd_tls_cipher_suites is defined %}
-ETCD_CIPHER_SUITES: {% for tls in etcd_tls_cipher_suites %}{{ tls }}{{ "," if not loop.last else "" }}{% endfor %}
+ETCD_CIPHER_SUITES={% for tls in etcd_tls_cipher_suites %}{{ tls }}{{ "," if not loop.last else "" }}{% endfor %}
 {% endif %}
 
 {% for key, value in etcd_extra_vars.items() %}