message: completion: use Text for Macro{Instantiation,Definition}
diff: @@ -252,7 +252,7 @@ CompletionItemKind GetCompletionKind(CXCursorKind cursor_kind) {
  case CXCursor_MacroInstantiation:
  case CXCursor_MacroDefinition:
  - return CompletionItemKind::Interface;
  + return CompletionItemKind::Text;
  case CXCursor_Namespace:
  case CXCursor_NamespaceAlias:
  