Revert "Stop using deprecated Nova APIs"

This reverts commit 8dcb7a2da80415d88c8b7e971839edba1c375ee9.

Reason for revert: in Yoga manila's scenario manager is still
standalone and is not inherited from tempest's scenario manager.

Change-Id: If88947a742def5620a457897aa192db94b713213
Related-Issue: PRODX-35739
diff --git a/manila_tempest_tests/tests/scenario/manager_share.py b/manila_tempest_tests/tests/scenario/manager_share.py
index 6e492ea..657b1f1 100644
--- a/manila_tempest_tests/tests/scenario/manager_share.py
+++ b/manila_tempest_tests/tests/scenario/manager_share.py
@@ -82,7 +82,7 @@
         if CONF.share.image_with_share_tools == 'centos':
             self.image_ref = self._create_centos_based_glance_image()
         elif CONF.share.image_with_share_tools:
-            images = self.image_client.list_images()["images"]
+            images = self.compute_images_client.list_images()["images"]
             for img in images:
                 if img["name"] == CONF.share.image_with_share_tools:
                     self.image_id = img['id']
@@ -184,7 +184,8 @@
                         storage_net_nic[0]['addr']
                     )
             # Attach a floating IP
-            self.associate_floating_ip(floating_ip, instance)
+            self.compute_floating_ips_client.associate_floating_ip_to_server(
+                floating_ip['floating_ip_address'], instance['id'])
 
         self.assertIsNotNone(server_ip)
         # Check ssh