Remove errdefs and shimapi types from proc package

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

linux/proc/types.go

@@ -0,0 +1,37 @@
+package proc
+
+import (
+	containerd_types "github.com/containerd/containerd/api/types"
+	google_protobuf "github.com/gogo/protobuf/types"
+)
+
+// CreateConfig hold task creation configuration
+type CreateConfig struct {
+	ID               string
+	Bundle           string
+	Runtime          string
+	Rootfs           []*containerd_types.Mount
+	Terminal         bool
+	Stdin            string
+	Stdout           string
+	Stderr           string
+	Checkpoint       string
+	ParentCheckpoint string
+	Options          *google_protobuf.Any
+}
+
+// ExecConfig holds exec creation configuration
+type ExecConfig struct {
+	ID       string
+	Terminal bool
+	Stdin    string
+	Stdout   string
+	Stderr   string
+	Spec     *google_protobuf.Any
+}
+
+// CheckpointConfig holds task checkpoint configuration
+type CheckpointConfig struct {
+	Path    string
+	Options *google_protobuf.Any
+}