PNG translator: remove B_TRANSLATE on string that isn't user visible

Change-Id: I3c04838729740f86493636913ba30a072e633696

src/add-ons/translators/png/PNGView.cpp

@@ -62,8 +62,7 @@ PNGView::PNGView(const BRect &frame, const char *name, uint32 resizeMode,
 		item->SetMarked(true);
 	fInterlaceMenu->AddItem(item);
 
-	BMenuField* menuField = new BMenuField(
-		B_TRANSLATE("PNG Interlace Menu"),
+	BMenuField* menuField = new BMenuField("PNG Interlace Menu",
 		B_TRANSLATE("Interlacing type:"), fInterlaceMenu);
 	menuField->SetDivider(menuField->StringWidth(menuField->Label()) + 7.0f);
 	menuField->ResizeToPreferred();