Remove space characters

Signed-off-by: Suguru Hirahara <did🔑z6MkvVZk1A3KBApWJXv2Ju4H14ErDfRGxh8zxdXSZ4vACDg5>

roles/custom/matrix-bridge-matrixzulipbridge/tasks/validate_config.yml

@@ -10,5 +10,5 @@
       You need to define a required configuration setting (`{{ item.name }}`).
   when: "item.when | bool and lookup('vars', item.name, default='') | string | length == 0"
   with_items:
-    - { "name": "matrix_matrixzulipbridge_container_network", when: true }
-    - { "name": "matrix_matrixzulipbridge_homeserver_url", when: true }
+    - {"name": "matrix_matrixzulipbridge_container_network", when: true}
+    - {"name": "matrix_matrixzulipbridge_homeserver_url", when: true}