Fixed SonarQube issues with the tag unused. All the unused variables, assignments, code comments are fixed.

web/regression/feature_utils/pgadmin_page.py

@@ -798,7 +798,6 @@ class PgadminPage:
                 break
             except TimeoutException:
                 retry -= 1
-                pass
 
     def toggle_open_server(self, tree_item_text):
         def check_for_password_dialog_or_tree_open(driver):

web/regression/python_test_utils/csrf_test_client.py

@@ -120,5 +120,5 @@ class TestClient(testing.FlaskClient):
         return res
 
     def logout(self):
-        res = self.get('/logout?next=/browser/', follow_redirects=False)
+        self.get('/logout?next=/browser/', follow_redirects=False)
         self.csrf_token = None