Revert "Set fedora jobs non-voting"

This reverts commit a53172c74e.

Fedora-29 images are working again.

Change-Id: I052083491d5c0a825d9e5ee876b2bee73930cb1b
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

.zuul.d/project-templates.yaml

@@ -3,10 +3,13 @@
     name: windmill-jobs-fedora-latest
     check:
       jobs:
-        - windmill-fedora-latest:
-            voting: false
-        - windmill-src-fedora-latest:
-            voting: false
+        - windmill-fedora-latest
+        - windmill-src-fedora-latest
+    gate:
+      queue: windmill
+      jobs:
+        - windmill-fedora-latest
+        - windmill-src-fedora-latest
 
 - project-template:
     name: windmill-jobs-bionic