updated remove postgres registration

tasks/main.yml

diff --git a/tasks/main.yml b/tasks/main.yml
index ae6e7cc..24bfc3b 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -16,7 +16,7 @@
     method: DELETE
     body_format: json
     url: http://{{ local_mgmt_ip }}:8080/v1/analytics/groups/ax/{{ ax_group }}
-  register: ax_state | from_json
+  register: ax_state
 
 - name: Assert that scopes is not empty
   assert: