prune .import-restrictions

specifically:

- cmd/kubeadm/.import-restrictions
  - we don't need to explicitly allow k8s.io repos (external or published)
- rm pkg/controller/.import-restrictions
  - pkg/client/unversioned was removed in 59042
- pkg/kubectl/.import-restrictions
  - pkg/printers is no longer used
  - pkg/api was masking all of the pkg/apis prefixes
- rm staging/src/k8s.io/code-generator/cmd/lister-gen/.import-restrictions
  - noop / empty file
- test/e2e/framework/.import-restrictions
  - we don't need to explicitly allow k8s.io repos (external or published)

cmd/kubeadm/.import-restrictions

@@ -1,10 +1,4 @@
 rules:
-  - selectorRegexp: k8s[.]io/(api/|apimachinery/|apiextensions-apiserver/|apiserver/)
-    allowedPrefixes:
-      - ''
-  - selectorRegexp: k8s[.]io/client-go/
-    allowedPrefixes:
-      - ''
   - selectorRegexp: k8s[.]io/kubelet/
     allowedPrefixes:
       - k8s.io/kubelet/config/v1beta1

pkg/controller/.import-restrictions

@@ -1,9 +0,0 @@
-rules:
-  # prevent use of pkg/client/unversioned (#34759)
-  - selectorRegexp: k8s[.]io/kubernetes/pkg/client/unversioned$
-    forbiddenPrefixes:
-      - k8s.io/kubernetes/pkg/client/unversioned
-  # prevent use of pkg/client/unversioned (#34759)
-  - selectorRegexp: k8s[.]io/kubernetes/pkg/client/unversioned/testclient$
-    forbiddenPrefixes:
-      - k8s.io/kubernetes/pkg/client/unversioned/testclient

pkg/kubectl/.import-restrictions

@@ -1,7 +1,6 @@
 rules:
   - selectorRegexp: k8s[.]io/kubernetes/pkg
     allowedPrefixes:
-      - k8s.io/kubernetes/pkg/api
       - k8s.io/kubernetes/pkg/api/legacyscheme
       - k8s.io/kubernetes/pkg/apis/apps
       - k8s.io/kubernetes/pkg/apis/apps/install
@@ -28,10 +27,17 @@ rules:
       - k8s.io/kubernetes/pkg/apis/certificates
       - k8s.io/kubernetes/pkg/apis/certificates/install
       - k8s.io/kubernetes/pkg/apis/certificates/v1beta1
+      - k8s.io/kubernetes/pkg/apis/coordination
+      - k8s.io/kubernetes/pkg/apis/coordination/install
+      - k8s.io/kubernetes/pkg/apis/coordination/v1
+      - k8s.io/kubernetes/pkg/apis/coordination/v1beta1
       - k8s.io/kubernetes/pkg/apis/core
       - k8s.io/kubernetes/pkg/apis/core/helper
       - k8s.io/kubernetes/pkg/apis/core/install
       - k8s.io/kubernetes/pkg/apis/core/v1
+      - k8s.io/kubernetes/pkg/apis/events
+      - k8s.io/kubernetes/pkg/apis/events/install
+      - k8s.io/kubernetes/pkg/apis/events/v1beta1
       - k8s.io/kubernetes/pkg/apis/extensions
       - k8s.io/kubernetes/pkg/apis/extensions/install
       - k8s.io/kubernetes/pkg/apis/extensions/v1beta1
@@ -57,11 +63,7 @@ rules:
       - k8s.io/kubernetes/pkg/apis/storage/v1beta1
       - k8s.io/kubernetes/pkg/features
       - k8s.io/kubernetes/pkg/kubectl
-      - k8s.io/kubernetes/pkg/printers
       - k8s.io/kubernetes/pkg/registry/rbac/reconciliation
       - k8s.io/kubernetes/pkg/registry/rbac/validation
-      - k8s.io/kubernetes/pkg/util/interrupt
-      - k8s.io/kubernetes/pkg/util/node
       - k8s.io/kubernetes/pkg/util/parsers
-      - k8s.io/utils/pointer
     forbiddenPrefixes: []

staging/src/k8s.io/code-generator/cmd/lister-gen/.import-restrictions

@@ -1 +0,0 @@
-{}

test/e2e/framework/.import-restrictions

@@ -263,28 +263,3 @@ rules:
   - selectorRegexp: k8s[.]io/kubernetes/third_party/
     allowedPrefixes:
     - k8s.io/kubernetes/third_party/forked/golang/expansion
-  # Allow import of specific parts of k8s.io/utils
-  # TODO: why wouldn't we just allow all of k8s.io/utils
-  - selectorRegexp: k8s[.]io/utils/
-    allowedPrefixes:
-      - k8s.io/utils/buffer
-      - k8s.io/utils/exec
-      - k8s.io/utils/inotify
-      - k8s.io/utils/integer
-      - k8s.io/utils/io
-      - k8s.io/utils/keymutex
-      - k8s.io/utils/mount
-      - k8s.io/utils/net
-      - k8s.io/utils/nsenter
-      - k8s.io/utils/path
-      - k8s.io/utils/pointer
-      - k8s.io/utils/strings
-      - k8s.io/utils/trace
-  # Allow import of k8.io/(api|apimachinery|apiextensions-apiserver|apiserver)
-  - selectorRegexp: k8s[.]io/(api/|apimachinery/|apiextensions-apiserver/|apiserver/)
-    allowedPrefixes:
-      - ''
-  # Allow import of ks.io/client-go
-  - selectorRegexp: k8s[.]io/client-go/
-    allowedPrefixes:
-      - ''