!6 delete /sbin/install-info in %post and %preun

From: @chengzihan2
Reviewed-by: @jimmy_hero
Signed-off-by: @jimmy_hero

docbook2X.spec

@@ -1,6 +1,6 @@
 Name:            docbook2X
 Version:         0.8.8
-Release:         32
+Release:         33
 Summary:         Convert docbook into man and Texinfo
 License:         MIT
 URL:             http://docbook2x.sourceforge.net/
@@ -36,14 +36,6 @@ install -p doc/*.html __dist_html/html
 %install
 %make_install
 
-%post
-/sbin/install-info %{_infodir}/docbook2X.info %{_infodir}/dir || :
-
-%preun
-if [ $1 = 0 ]; then
-/sbin/install-info --delete %{_infodir}/docbook2X.info %{_infodir}/dir || :
-fi
-
 %files
 %doc COPYING AUTHORS
 %{_bindir}/*
@@ -61,5 +53,8 @@ fi
 %{_infodir}/docbook2*
 
 %changelog
+* Fri Sep 25 2020 chengzihan <chengzihan2@huawei.com> - 0.8.8-33
+- delete /sbin/install-info in %post and %preun
+
 * Fri Nov 29 2019 zhujunhao <zhujunhao5@huawei.com> - 0.8.8-32
 - Package init