[LL FIR] drop RawFirUserTypeRefBuilder as obsolete

analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/lazy/resolve/RawFirUserTypeRefBuilder.kt

@@ -1,24 +0,0 @@
-/*
- * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * 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.analysis.low.level.api.fir.lazy.resolve
-
-import org.jetbrains.kotlin.fir.FirSession
-import org.jetbrains.kotlin.fir.builder.PsiRawFirBuilder
-import org.jetbrains.kotlin.fir.scopes.FirScopeProvider
-import org.jetbrains.kotlin.fir.types.FirUserTypeRef
-import org.jetbrains.kotlin.psi.KtTypeReference
-
-internal fun buildFirUserTypeRef(
-    typeReference: KtTypeReference,
-    session: FirSession,
-    baseScopeProvider: FirScopeProvider
-): FirUserTypeRef {
-    val builder = object : PsiRawFirBuilder(session, baseScopeProvider) {
-        fun build(): FirUserTypeRef = Visitor().visitTypeReference(typeReference, null) as FirUserTypeRef
-    }
-    builder.context.packageFqName = typeReference.containingKtFile.packageFqName
-    return builder.build()
-}