Fix doxygen misplaced div warnings

interface/wx/dirdlg.h

@@ -47,7 +47,7 @@ const char wxDirDialogNameStr[] = "wxDirCtrl";
     @style{wxDD_CHANGE_DIR}
            Change the current working directory to the directory chosen by the
            user.
-           @note This flag cannot be used with the @c wxDD_MULTIPLE style.
+           This flag cannot be used with the @c wxDD_MULTIPLE style.
     @style{wxDD_MULTIPLE}
            Allow the user to select multiple directories.
            This flag is only available since wxWidgets 3.1.4

interface/wx/gauge.h

@@ -58,7 +58,6 @@
            Windows 7 and later and the dock icon under macOS, ignored under
            the other platforms.
            This flag is only available in wxWidgets 3.1.0 and later.
-
     @endStyleTable
 
     @library{wxcore}