remove unneeded scriptlets

install-info is handled by filetriggers nowadays.

Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>

m4.spec

@@ -8,8 +8,6 @@ Source1: http://ftp.gnu.org/gnu/m4/m4-%{version}.tar.xz.sig
 # Patch0: update to glibc libio.h removal, rhbz#1573342
 Patch0: m4-1.4.18-glibc-change-work-around.patch
 URL: http://www.gnu.org/software/m4/
-Requires(post): /sbin/install-info
-Requires(preun): /sbin/install-info
 BuildRequires: gcc autoconf automake
 %ifarch ppc ppc64
 BuildRequires: texinfo
@@ -36,10 +34,10 @@ chmod 644 COPYING
 %build
 autoreconf -ivf
 %configure
-make %{?_smp_mflags}
+%make_build
 
 %install
-make install INSTALL="%{__install} -p" DESTDIR=$RPM_BUILD_ROOT
+%make_install
 rm -f $RPM_BUILD_ROOT%{_infodir}/dir
 
 %check
@@ -52,18 +50,6 @@ make %{?_smp_mflags} check
 %{_infodir}/*
 %{_mandir}/man1/m4.1*
 
-%post
-if [ -f %{_infodir}/m4.info.gz ]; then # --excludedocs?
-    /sbin/install-info %{_infodir}/m4.info.gz %{_infodir}/dir || :
-fi
-
-%preun
-if [ "$1" = 0 ]; then
-    if [ -f %{_infodir}/m4.info.gz ]; then # --excludedocs?
-        /sbin/install-info --delete %{_infodir}/m4.info.gz %{_infodir}/dir || :
-    fi
-fi
-
 %changelog
 * Wed May 02 2018 Vitezslav Crhonek <vcrhonek@redhat.com> - 1.4.18-8
 - Work around change in glibc