!3 delete %preun

From: @lyn1001
Reviewed-by: @small_leek
Signed-off-by: @small_leek

djvulibre.spec

@@ -1,7 +1,7 @@
 Name:             djvulibre
 Summary:          An open source (GPL'ed) implementation of DjVu
 Version:          3.5.27
-Release:          12
+Release:          13
 License:          GPLv2+
 URL:              http://djvu.sourceforge.net/
 Source0:          http://downloads.sourceforge.net/djvu/djvulibre-%{version}.tar.gz
@@ -67,11 +67,6 @@ rm -f %{_datadir}/applications/djvulibre-djview3.desktop || :
 rm -f %{_datadir}/icons/hicolor/32x32/apps/djvulibre-djview3.png || :
 /sbin/ldconfig
 
-%preun
-if [ $1 -eq 0 ]; then
-    %{_datadir}/djvu/osi/desktop/register-djvu-mime uninstall || :
-fi
-
 %postun
 /sbin/ldconfig
 
@@ -93,5 +88,8 @@ fi
 %{_mandir}/man1/*
 
 %changelog
+* Sun Sep 20 2020 yanan li <liyanan032@huawei.com> - 3.5.27-13
+- delete %preun
+
 * Fri Dec 20 2019 likexin <likexin4@huawei.com> - 3.5.27-12
 - package init