Revert "denylist: snooze root-reprovision on testing-devel"

We decided to pin the kernel in testing-devel instead of
snoozing the reprovision tests while we track down a
solution to the issue. xref:
coreos/fedora-coreos-tracker#1489 (comment)

This reverts commit 17ec963.

kola-denylist.yaml

@@ -30,6 +30,8 @@
   snooze: 2023-08-04
   arches:
     - ppc64le
+  streams:
+    - rawhide
 - pattern: ext.config.ntp.chrony.dhcp-propagation
   tracker: https://github.com/coreos/fedora-coreos-tracker/issues/1508
   snooze: 2023-08-20