CI: Drop release from test name

Display of release number is a burden to update on new CI VM images and
getting it wrong (or forgetting) could be unhelpful to developers.
Since it's mainly cosmetic, and not used by any tests, remove it.

Signed-off-by: Chris Evich <cevich@redhat.com>

.cirrus.yml

@@ -16,8 +16,6 @@ env:
     ####
     #### Cache-image names to test with
     ####
-    FEDORA_NAME: "fedora-38"
-
     # Google-cloud VM Images
     IMAGE_SUFFIX: "c20231004t194547z-f39f38d13"
     FEDORA_CACHE_IMAGE_NAME: "fedora-${IMAGE_SUFFIX}"
@@ -50,7 +48,7 @@ gce_instance:
 
 # Each 'task' runs in parallel, '_task' suffix required on name.
 test_upstream_podman_task:
-    name: "Test podman on ${FEDORA_NAME}"
+    name: "Test podman on Fedora"
     alias: test_upstream_podman
 
     gce_instance: