[Commonizer] Drop EXPANDED_WITHOUT_ABBREVIATIONS

It was easier to fix abbreviation serialization so that all abbreviations
are present than trying to dance around to replicate the way the commonizer
(and K1?) handles them.

See: `ClassifierCommonizationFromSourcesTest.testTypeAliases`.

Author: lunakoly

native/commonizer/src/org/jetbrains/kotlin/commonizer/metadata/CirSerializers.kt

@@ -306,8 +306,7 @@ private fun CirTypeAliasType.serializeTypeAliasType(
     expansion: TypeAliasExpansion
 ): KmType = when (expansion) {
     ONLY_ABBREVIATIONS -> serializeAbbreviationType(context, expansion)
-    EXPANDED_WITHOUT_ABBREVIATIONS -> serializeExpandedType(context, expansion)
-    FOR_TOP_LEVEL_TYPE -> serializeExpandedType(context, EXPANDED_WITHOUT_ABBREVIATIONS).apply {
+    FOR_TOP_LEVEL_TYPE -> serializeExpandedType(context, FOR_TOP_LEVEL_TYPE).apply {
         abbreviatedType = serializeAbbreviationType(context, expansion)
     }
     FOR_NESTED_TYPE -> serializeExpandedType(context, expansion).apply {
@@ -359,7 +358,6 @@ private inline fun Variance.serializeVariance(): KmVariance = when (this) {
 @Suppress("SpellCheckingInspection")
 private enum class TypeAliasExpansion {
     ONLY_ABBREVIATIONS,
-    EXPANDED_WITHOUT_ABBREVIATIONS,
     FOR_TOP_LEVEL_TYPE,
     FOR_NESTED_TYPE
 }