Minor, delete leftovers from package part refactorings

compiler/backend/src/org/jetbrains/kotlin/codegen/MemberCodegen.java

@@ -479,14 +479,6 @@ public abstract class MemberCodegen<T extends KtElement/* TODO: & JetDeclaration
         return false;
     }
 
-    public static void generateModuleNameField(
-            @NotNull GenerationState state,
-            @NotNull ClassBuilder classBuilder
-    ) {
-        classBuilder.newField(NO_ORIGIN, ACC_PUBLIC | ACC_STATIC | ACC_FINAL | ACC_SYNTHETIC, JvmAbi.MODULE_NAME_FIELD,
-                              AsmTypes.JAVA_STRING_TYPE.getDescriptor(), null, state.getModuleName());
-    }
-
     protected void generatePropertyMetadataArrayFieldIfNeeded(@NotNull Type thisAsmType) {
         List<KtProperty> delegatedProperties = new ArrayList<KtProperty>();
         for (KtDeclaration declaration : ((KtDeclarationContainer) element).getDeclarations()) {

compiler/backend/src/org/jetbrains/kotlin/codegen/MultifileClassCodegen.kt

@@ -29,7 +29,6 @@ import org.jetbrains.kotlin.descriptors.PackageFragmentDescriptor
 import org.jetbrains.kotlin.descriptors.Visibilities
 import org.jetbrains.kotlin.diagnostics.DiagnosticUtils
 import org.jetbrains.kotlin.fileClasses.JvmFileClassUtil
-import org.jetbrains.kotlin.fileClasses.getFileClassType
 import org.jetbrains.kotlin.load.java.JvmAnnotationNames
 import org.jetbrains.kotlin.load.kotlin.PackageParts
 import org.jetbrains.kotlin.load.kotlin.incremental.IncrementalPackageFragmentProvider
@@ -138,9 +137,7 @@ public class MultifileClassCodegen(
             tasks: Map<CallableMemberDescriptor, () -> Unit>,
             partFqNames: List<FqName>
     ) {
-        MemberCodegen.generateModuleNameField(state, classBuilder)
-
-        for (member in tasks.keySet().sortedWith(MemberComparator.INSTANCE)) {
+        for (member in tasks.keys.sortedWith(MemberComparator.INSTANCE)) {
             tasks[member]!!()
         }