Reshuffle the patches, drop copy-volume-to-image and vice versa

The patches will be submitted upstream in a slightly different manner,
so reflect that in the CI runs.

Change-Id: I114cbb2fb8f15beb908f6ce574ef50d12f43d3d7
diff --git a/patches/series.experimental b/patches/series.experimental
index e15d6de..62f87f2 100644
--- a/patches/series.experimental
+++ b/patches/series.experimental
@@ -1,10 +1,9 @@
-openstack/cinder/glance-upload-uri.patch
-openstack/cinder/clone-across-pools.patch
-openstack/cinder/leave-it-to-brick.patch
-openstack/cinder/storpool-do-detach.patch
-openstack/cinder/storpool-rm-backup.patch
-openstack/cinder/storpool-clone-volume.patch
-openstack/cinder/storpool-clone-across.patch
-openstack/cinder/storpool-iscsi.patch
+openstack/cinder/sep-glance-upload-uri.patch
+openstack/cinder/sep-clone-across-pools.patch
+openstack/cinder/sep-sp-clone-across-pools.patch
+openstack/cinder/sep-sp-leave-it-to-brick.patch
+openstack/cinder/sep-sp-rm-backup.patch
+openstack/cinder/sep-sp-rm-copy-volimg.patch
+openstack/cinder/sep-sp-clone-volume.patch
 openstack/cinderlib/storpool-test-20190910.patch
 openstack/devstack/eatmydata.patch