Always build Workstation images out of Everything

We don't need the release version conditional any more as we're
well past F31. Also this way it'll work for Rawhide.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

createhdds.py

@@ -299,7 +299,7 @@ class VirtInstallImage(object):
         variant = self.variant
         # From F31 onwards, Workstation tree is not installable and we
         # build Workstation images out of Everything
-        if variant == 'Workstation' and str(self.release).isdigit() and int(self.release) > 30:
+        if variant == 'Workstation':
             variant = 'Everything'
         
         try: