Remove deprecated platforms package

Signed-off-by: Derek McGowan <derek@mcg.dev>

core/runtime/v2/manager.go

@@ -36,10 +36,10 @@ import (
 	"github.com/containerd/containerd/v2/pkg/events/exchange"
 	"github.com/containerd/containerd/v2/pkg/namespaces"
 	"github.com/containerd/containerd/v2/pkg/timeout"
-	"github.com/containerd/containerd/v2/platforms"
 	"github.com/containerd/containerd/v2/plugins"
 	"github.com/containerd/containerd/v2/protobuf"
 	"github.com/containerd/log"
+	"github.com/containerd/platforms"
 	"github.com/containerd/plugin"
 	"github.com/containerd/plugin/registry"
 )

core/runtime/v2/manager_unix.go

@@ -19,7 +19,7 @@
 package v2
 
 import (
-	"github.com/containerd/containerd/v2/platforms"
+	"github.com/containerd/platforms"
 )
 
 func defaultPlatforms() []string {

core/runtime/v2/manager_windows.go

@@ -17,7 +17,7 @@
 package v2
 
 import (
-	"github.com/containerd/containerd/v2/platforms"
+	"github.com/containerd/platforms"
 )
 
 func defaultPlatforms() []string {