FIR: get rid of library type parameter symbol

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/ConversionUtils.kt

@@ -8,7 +8,6 @@ package org.jetbrains.kotlin.fir.backend
 import org.jetbrains.kotlin.fir.*
 import org.jetbrains.kotlin.fir.resolve.toSymbol
 import org.jetbrains.kotlin.fir.symbols.ConeClassifierSymbol
-import org.jetbrains.kotlin.fir.symbols.LibraryTypeParameterSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.*
 import org.jetbrains.kotlin.fir.types.*
 import org.jetbrains.kotlin.ir.IrElement
@@ -82,9 +81,6 @@ fun ConeClassifierSymbol.toIrSymbol(session: FirSession, declarationStorage: Fir
         is FirTypeParameterSymbol -> {
             toTypeParameterSymbol(declarationStorage)
         }
-        is LibraryTypeParameterSymbol -> {
-            toTypeParameterSymbol(declarationStorage)
-        }
         is FirTypeAliasSymbol -> {
             val typeAlias = fir
             val coneClassLikeType = (typeAlias.expandedTypeRef as FirResolvedTypeRef).type as ConeClassLikeType
@@ -123,10 +119,6 @@ fun FirTypeParameterSymbol.toTypeParameterSymbol(declarationStorage: Fir2IrDecla
     return declarationStorage.getIrTypeParameterSymbol(this)
 }
 
-fun LibraryTypeParameterSymbol.toTypeParameterSymbol(declarationStorage: Fir2IrDeclarationStorage): IrTypeParameterSymbol {
-    return declarationStorage.getIrTypeParameterSymbol(this)
-}
-
 fun FirFunctionSymbol.toFunctionSymbol(declarationStorage: Fir2IrDeclarationStorage): IrFunctionSymbol {
     return declarationStorage.getIrFunctionSymbol(this)
 }

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt

@@ -17,7 +17,6 @@ import org.jetbrains.kotlin.fir.expressions.FirVariable
 import org.jetbrains.kotlin.fir.render
 import org.jetbrains.kotlin.fir.resolve.FirSymbolProvider
 import org.jetbrains.kotlin.fir.service
-import org.jetbrains.kotlin.fir.symbols.LibraryTypeParameterSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.*
 import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.declarations.impl.*
@@ -29,7 +28,6 @@ import org.jetbrains.kotlin.ir.util.SymbolTable
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.psi.KtFunctionLiteral
-import org.jetbrains.kotlin.types.Variance
 
 class Fir2IrDeclarationStorage(
     private val session: FirSession,
@@ -44,8 +42,6 @@ class Fir2IrDeclarationStorage(
 
     private val typeParameterCache = mutableMapOf<FirTypeParameter, IrTypeParameter>()
 
-    private val libraryTypeParameterCache = mutableMapOf<LibraryTypeParameterSymbol, IrTypeParameter>()
-
     private val functionCache = mutableMapOf<FirNamedFunction, IrSimpleFunction>()
 
     private val constructorCache = mutableMapOf<FirConstructor, IrConstructor>()
@@ -414,24 +410,6 @@ class Fir2IrDeclarationStorage(
         return irSymbolTable.referenceTypeParameter(irTypeParameter.descriptor)
     }
 
-    fun getIrTypeParameterSymbol(typeParameterSymbol: LibraryTypeParameterSymbol): IrTypeParameterSymbol {
-        val irTypeParameter = libraryTypeParameterCache.getOrPut(typeParameterSymbol) {
-            val descriptor = WrappedTypeParameterDescriptor()
-            val origin = IrDeclarationOrigin.DEFINED
-            irSymbolTable.declareGlobalTypeParameter(-1, -1, origin, descriptor) { symbol ->
-                IrTypeParameterImpl(
-                    -1, -1, origin, symbol,
-                    typeParameterSymbol.name, -1,
-                    false,
-                    Variance.INVARIANT
-                ).apply {
-                    descriptor.bind(this)
-                }
-            }
-        }
-        return irSymbolTable.referenceTypeParameter(irTypeParameter.descriptor)
-    }
-
     fun getIrFunctionSymbol(firFunctionSymbol: FirFunctionSymbol): IrFunctionSymbol {
         return when (val firDeclaration = firFunctionSymbol.fir) {
             is FirNamedFunction -> {

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/symbols/LibraryTypeParameterSymbol.kt

@@ -1,12 +0,0 @@
-/*
- * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the license/LICENSE.txt file.
- */
-
-package org.jetbrains.kotlin.fir.symbols
-
-import org.jetbrains.kotlin.name.Name
-
-class LibraryTypeParameterSymbol(override val name: Name) : ConeTypeParameterSymbol {
-
-}