Move outside smoke two LB octavia tests

These two tests:
 * test_load_balancer_show
 * test_load_balancer_show_status
seems to be too heavy.
They could fail randomly.
Lets get rid of them in smoke

Change-Id: I8a400e29750fc6aa9e748e97ba87d9c57c7051fd
Related-Prod:PROD-25744
diff --git a/octavia_tempest_plugin/tests/api/v2/test_load_balancer.py b/octavia_tempest_plugin/tests/api/v2/test_load_balancer.py
index 05dcab5..b62d4bd 100644
--- a/octavia_tempest_plugin/tests/api/v2/test_load_balancer.py
+++ b/octavia_tempest_plugin/tests/api/v2/test_load_balancer.py
@@ -431,7 +431,6 @@
                 pass
 
     @decorators.idempotent_id('826ae612-8717-4c64-a8a7-cb9570a85870')
-    @decorators.attr(type='smoke')
     def test_load_balancer_show(self):
         """Tests load balancer show API.
 
@@ -710,7 +709,6 @@
             pass
 
     @decorators.idempotent_id('60acc1b0-fa46-41f8-b526-c81ae2f42c30')
-    @decorators.attr(type='smoke')
     def test_load_balancer_show_status(self):
         """Tests load balancer show status tree API.