Move MetadataPartProvider to deserialization.common

To make it possible to use it in FIR compiler

core/deserialization/src/org/jetbrains/kotlin/serialization/deserialization/MetadataPartProvider.kt

@@ -1,17 +0,0 @@
-/*
- * Copyright 2000-2018 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.serialization.deserialization
-
-interface MetadataPartProvider {
-    /**
-     * @return simple names of .kotlin_metadata files that store data for top level declarations in the package with the given FQ name
-     */
-    fun findMetadataPackageParts(packageFqName: String): List<String>
-
-    object Empty : MetadataPartProvider {
-        override fun findMetadataPackageParts(packageFqName: String): List<String> = emptyList()
-    }
-}