mesh-bootstrap: drop an unread parameter

A parameter nothing reads is a claim the function makes about what it needs, and
this one was wrong.

Claude-Session: https://claude.ai/code/session_01LrgweAeERJYBg88c5cKDzF

internal/bootstrap/bootstrap.go

@@ -222,7 +222,7 @@ func Run(ctx context.Context, o Options, d Deps, say func(string)) (Result, erro
 
 	// ---- 4. apply -----------------------------------------------------------------------
 	say("apply — raising the substrate")
-	report, err := ApplyBundle(ctx, o, sys, rewritten.Declaration, o.Out, d.Run, say)
+	report, err := ApplyBundle(ctx, o, sys, rewritten.Declaration, d.Run, say)
 	result.Applied, result.Changed = len(report.Outcomes), report.Changed()
 	if err != nil {
 		return result, failed(StepApply, err)