fix(lint): remove unused newStubCmd function

internal/cmd/stubs.go

@@ -1,22 +0,0 @@
-package cmd
-
-import (
-	"fmt"
-
-	"github.com/fatih/color"
-	"github.com/spf13/cobra"
-)
-
-func newStubCmd(name, short string) *cobra.Command {
-	return &cobra.Command{
-		Use:   name,
-		Short: short + " (coming soon)",
-		Run: func(cmd *cobra.Command, args []string) {
-			fmt.Println()
-			color.New(color.FgYellow).Printf("  ⚠️  '%s' is coming in a future release.\n", name)
-			fmt.Println()
-			fmt.Println("  Follow progress at: https://github.com/torrentclaw/unarr")
-			fmt.Println()
-		},
-	}
-}