Remove obsolete requirements for %post/%preun scriptlets

zsh.spec

@@ -1,7 +1,7 @@
 Summary: Powerful interactive shell
 Name: zsh
 Version: 5.7.1
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: MIT
 URL: http://zsh.sourceforge.net/
 Source0: https://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.xz
@@ -24,8 +24,7 @@ BuildRequires: pcre-devel
 BuildRequires: sed
 BuildRequires: texi2html
 BuildRequires: texinfo
-Requires(post): info grep
-Requires(preun): info
+Requires(post): grep
 Requires(postun): coreutils grep
 
 # the hostname package is not available on RHEL-6
@@ -152,6 +151,9 @@ fi
 %doc Doc/*.html
 
 %changelog
+* Fri Mar  8 2019 Tim Landscheidt <tim@tim-landscheidt.de> - 5.7.1-2
+- Remove obsolete requirements for %%post/%%preun scriptlets
+
 * Mon Feb 04 2019 Kamil Dudka <kdudka@redhat.com> - 5.7.1-1
 - update to latest upstream release