FIR: Drop unused FirComposedSuperTypeRef

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/BuilderConfigurator.kt

@@ -241,10 +241,6 @@ object BuilderConfigurator : AbstractBuilderConfigurator<FirTreeBuilder>(FirTree
             withCopy()
         }
 
-        builder(composedSuperTypeRef) {
-            withCopy()
-        }
-
         builder(breakExpression) {
             parents += loopJumpBuilder
         }

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/FirTreeBuilder.kt

@@ -148,7 +148,6 @@ object FirTreeBuilder : AbstractFirTreeBuilder() {
     val dynamicTypeRef = element("DynamicTypeRef", TypeRef, typeRefWithNullability)
     val functionTypeRef = element("FunctionTypeRef", TypeRef, typeRefWithNullability)
     val implicitTypeRef = element("ImplicitTypeRef", TypeRef, typeRef)
-    val composedSuperTypeRef = element("ComposedSuperTypeRef", TypeRef, typeRef)
 
     val effectDeclaration = element("EffectDeclaration", Contracts)
 

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/ImplementationConfigurator.kt

@@ -411,8 +411,6 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
             defaultEmptyList("annotations")
         }
 
-        impl(composedSuperTypeRef)
-
         impl(reference, "FirStubReference") {
             default("source") {
                 value = "null"

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/NodeConfigurator.kt

@@ -579,10 +579,6 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
             +booleanField("isSuspend")
         }
 
-        composedSuperTypeRef.configure {
-            +fieldList("superTypeRefs", resolvedTypeRef)
-        }
-
         thisReceiverExpression.configure {
             +field("calleeReference", thisReference)
         }