Forbid github.com/pkg/errors in k/k

kubeadm has replaced pkg/errors with an internal implementation, which
means that pkg/errors can be marked as unwanted (once a final
straggler is replaced).

Signed-off-by: Stephen Kitt <skitt@redhat.com>

hack/golangci-hints.yaml

@@ -254,13 +254,6 @@ linters:
           deny:
             - pkg: "github.com/google/go-cmp/cmp"
               desc: "cmp is allowed only in test files"
-        pkg-errors:
-          files:
-            - $all
-            - "!**/cmd/kubeadm/**"
-          deny:
-            - pkg: "github.com/pkg/errors"
-              desc: "pkg/errors is allowed only in cmd/kubeadm"
     forbidigo:
       analyze-types: true
       forbid:

hack/golangci.yaml

@@ -268,13 +268,6 @@ linters:
           deny:
             - pkg: "github.com/google/go-cmp/cmp"
               desc: "cmp is allowed only in test files"
-        pkg-errors:
-          files:
-            - $all
-            - "!**/cmd/kubeadm/**"
-          deny:
-            - pkg: "github.com/pkg/errors"
-              desc: "pkg/errors is allowed only in cmd/kubeadm"
     forbidigo:
       analyze-types: true
       forbid:

hack/golangci.yaml.in

@@ -198,13 +198,6 @@ linters:
           deny:
             - pkg: "github.com/google/go-cmp/cmp"
               desc: "cmp is allowed only in test files"
-        pkg-errors:
-          files:
-            - $all
-            - "!**/cmd/kubeadm/**"
-          deny:
-            - pkg: "github.com/pkg/errors"
-              desc: "pkg/errors is allowed only in cmd/kubeadm"
     forbidigo:
       analyze-types: true
       forbid:

hack/unwanted-dependencies.json

@@ -227,7 +227,6 @@
       "github.com/pkg/errors": [
         "github.com/Microsoft/hnslib",
         "github.com/google/cadvisor",
-        "k8s.io/kubernetes",
         "sigs.k8s.io/kustomize/api",
         "sigs.k8s.io/kustomize/kustomize/v5"
       ],