remove alpha since this is provisional

Author: jpbetz

keps/sig-api-machinery/2144-clientgo-apply/kep.yaml

@@ -17,15 +17,15 @@ see-also:
   - "/keps/sig-api-machinery/0006-apply.md"
 
 # The target maturity stage in the current dev cycle for this KEP.
-stage: alpha
+# stage: alpha
 
 # The most recent milestone for which work toward delivery of this KEP has been
 # done. This can be the current (upcoming) milestone, if it is being actively
 # worked on.
-latest-milestone: "v1.21"
+# latest-milestone: "v1.21"
 
 # The milestone at which this feature was, or is targeted to be, at each stage.
-milestone:
+# milestone:
 #  alpha: "v1.21"
 #  beta: "v1.21"
 #  stable: "v1.21"