created an enhancement issue for dockershim removal

Author: SergeyKanzhelev

keps/sig-node/1985-remove-dockershim/README.md renamed to keps/sig-node/2221-remove-dockershim/README.md

@@ -1,4 +1,4 @@
-# KEP-1985: Removing dockershim from kubelet
+# KEP-2221: Removing dockershim from kubelet
 
 <!-- toc -->
 - [Release Signoff Checklist](#release-signoff-checklist)
@@ -115,7 +115,7 @@ is a [KEP 2041](https://github.com/kubernetes/enhancements/pull/2041) for gradua
 
 Step 1: Deprecate in-tree dockershim and decouple dockershim from kubelet.
 
-Target releases: 1.20, 1.21
+Target releases: 1.20
 
 Actions:
 

keps/sig-node/1985-remove-dockershim/kep.yaml renamed to keps/sig-node/2221-remove-dockershim/kep.yaml

@@ -1,5 +1,5 @@
 title: Removing dockershim from kubelet
-kep-number: 1985
+kep-number: 2221
 authors:
   - "@resouer"
   - "@dims"