Simplify getting class file path for functions from current module

compiler/frontend.java/src/org/jetbrains/kotlin/load/kotlin/incremental/FileSourceElement.kt

@@ -1,22 +0,0 @@
-/*
- * Copyright 2010-2015 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.jetbrains.kotlin.load.kotlin.incremental
-
-import org.jetbrains.kotlin.descriptors.SourceElement
-import java.io.File
-
-public class FileSourceElement(public val file: File) : SourceElement

compiler/frontend.java/src/org/jetbrains/kotlin/load/kotlin/incremental/IncrementalPackageFragmentProvider.kt

@@ -21,10 +21,8 @@ import org.apache.log4j.Logger
 import org.jetbrains.kotlin.descriptors.ModuleDescriptor
 import org.jetbrains.kotlin.descriptors.PackageFragmentDescriptor
 import org.jetbrains.kotlin.descriptors.PackageFragmentProvider
-import org.jetbrains.kotlin.descriptors.SourceElement
 import org.jetbrains.kotlin.descriptors.impl.PackageFragmentDescriptorImpl
 import org.jetbrains.kotlin.load.kotlin.ModuleMapping
-import org.jetbrains.kotlin.load.kotlin.PackageClassUtils
 import org.jetbrains.kotlin.load.kotlin.PackagePartClassUtils
 import org.jetbrains.kotlin.load.kotlin.incremental.components.IncrementalCache
 import org.jetbrains.kotlin.modules.Module
@@ -44,7 +42,6 @@ import org.jetbrains.kotlin.serialization.jvm.JvmProtoBufUtil
 import org.jetbrains.kotlin.storage.NotNullLazyValue
 import org.jetbrains.kotlin.storage.StorageManager
 import org.jetbrains.kotlin.utils.addToStdlib.singletonOrEmptyList
-import java.io.File
 import java.util.*
 
 public class IncrementalPackageFragmentProvider(
@@ -100,14 +97,6 @@ public class IncrementalPackageFragmentProvider(
         public val target: Module
             get() = this@IncrementalPackageFragmentProvider.target
 
-        private val sourceElement: SourceElement by lazy {
-            val incrementalCache = this@IncrementalPackageFragmentProvider.incrementalCache
-            val classId = PackageClassUtils.getPackageClassId(fqName)
-            val className = JvmClassName.byClassId(classId)
-            val classFilePath = incrementalCache.getClassFilePath(className.internalName)
-            FileSourceElement(File(classFilePath))
-        }
-
         val memberScope: NotNullLazyValue<JetScope> = storageManager.createLazyValue {
             if (fqName !in fqNamesToLoad) {
                 JetScope.Empty
@@ -147,8 +136,6 @@ public class IncrementalPackageFragmentProvider(
             }
         }
 
-        override fun getSource(): SourceElement = sourceElement
-
         override fun getMemberScope(): JetScope = memberScope()
 
         private inner class IncrementalPackageScope(val packageData: PackageData) : DeserializedPackageMemberScope(