[SIR] Add SirTransformerVoid class

This is convenient for cases when the transformer has no context to pass
to each method

compiler/ir/ir.tree/tree-generator/src/org/jetbrains/kotlin/ir/generator/print/TransformerVoidPrinter.kt

@@ -20,16 +20,10 @@ import org.jetbrains.kotlin.utils.withIndent
 internal class TransformerVoidPrinter(
     printer: SmartPrinter,
     override val visitorType: ClassRef<*>,
-) : AbstractTransformerPrinter<Element, Field>(printer) {
+) : AbstractTransformerVoidPrinter<Element, Field>(printer) {
 
-    override val visitorTypeParameters: List<TypeVariable>
-        get() = emptyList()
-
-    override val visitorSuperType: ClassRef<PositionTypeParameterRef>
-        get() = elementTransformerType.withArgs(visitorDataType)
-
-    override val visitorDataType: TypeRef
-        get() = StandardTypes.nothing.copy(nullable = true)
+    override val transformerSuperClass: ClassRef<PositionTypeParameterRef>
+        get() = elementTransformerType
 
     // IrPackageFragment is treated as transformByChildren in IrElementTransformerVoid for historical reasons.
     private val Element.isPackageFragment: Boolean