Remove alpha line.

Author: bwsalmon

keps/sig-scheduling/5598-opportunistic-batching/kep.yaml

@@ -26,7 +26,6 @@ latest-milestone: "v1.35"
 
 # The milestone at which this feature was, or is targeted to be, at each stage.
 milestone:
-  alpha: "v1.35"
   beta: "v1.35"
   stable: "v1.36"