Eliminate the ForwardDecl/InitiallyForwardDecl bits from ObjCProtocolDecl. They are no longer needed

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147419 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ASTImporter.cpp b/lib/AST/ASTImporter.cpp
index 6ee8ba3..82307e8 100644
--- a/lib/AST/ASTImporter.cpp
+++ b/lib/AST/ASTImporter.cpp
@@ -3123,8 +3123,7 @@
       ToProto = ObjCProtocolDecl::Create(Importer.getToContext(), DC,
                                          Name.getAsIdentifierInfo(), Loc,
                                          Importer.Import(D->getAtStartLoc()),
-                                         /*PrevDecl=*/0,
-                                         D->isInitiallyForwardDecl());
+                                         /*PrevDecl=*/0);
       ToProto->setLexicalDeclContext(LexicalDC);
       LexicalDC->addDeclInternal(ToProto);
     }