revert: Keep bd wisp/pour until v0.38.0 - API not released yet

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

internal/cmd/sling.go

@@ -567,7 +567,7 @@ func runSlingFormula(args []string) error {
 
 	// Step 2: Create wisp instance (ephemeral)
 	fmt.Printf("  Creating wisp...\n")
-	wispArgs := []string{"mol", "wisp", formulaName}
+	wispArgs := []string{"wisp", formulaName}
 	for _, v := range slingVars {
 		wispArgs = append(wispArgs, "--var", v)
 	}