Cleanup hdparm.spec

I hope this cleanup changes can make spec file more simple and accurate with Fedora packaging guidelines.

hdparm.spec

@@ -1,15 +1,13 @@
 Summary: A utility for displaying and/or setting hard disk parameters
 Name: hdparm
 Version: 9.51
-Release: 3%{?dist}
+Release: 4%{?dist}
 License: BSD
-Group: Applications/System
 URL:    http://sourceforge.net/projects/hdparm/
 Source: http://download.sourceforge.net/hdparm/hdparm-%{version}.tar.gz
 Patch2: %{name}-9.43-ditch_dead_code.patch
 Patch3: %{name}-9.43-close_fd.patch
 Patch4: %{name}-9.43-get_geom.patch
-BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 %description
 Hdparm is a useful system utility for setting (E)IDE hard drive
@@ -17,13 +15,10 @@ parameters.  For example, hdparm can be used to tweak hard drive
 performance and to spin down hard drives for power conservation.
 
 %prep
-%setup -q
-%patch2 -p1
-%patch3 -p1
-%patch4 -p1
+%autosetup -p1
 
 %build
-CFLAGS="$RPM_OPT_FLAGS" make %{?_smp_mflags} STRIP=/bin/true LDFLAGS=
+CFLAGS="$RPM_OPT_FLAGS" %make_build STRIP=/bin/true LDFLAGS=
 
 %install
 rm -rf $RPM_BUILD_ROOT
@@ -32,15 +27,17 @@ mkdir -p $RPM_BUILD_ROOT/%{_mandir}/man8
 install -c -m 755 hdparm $RPM_BUILD_ROOT/sbin/hdparm
 install -c -m 644 hdparm.8 $RPM_BUILD_ROOT/%{_mandir}/man8
 
-%clean
-rm -rf $RPM_BUILD_ROOT
 
 %files
-%doc hdparm.lsm Changelog LICENSE.TXT README.acoustic TODO
+%doc hdparm.lsm Changelog README.acoustic TODO
+%license LICENSE.TXT
 /sbin/hdparm
 %{_mandir}/man8/hdparm.8*
 
 %changelog
+* Sun Sep 10 2017 Vasiliy N. Glazov <vascom2@gmail.com> - 9.51-4
+- Cleanup spec
+
 * Wed Aug 02 2017 Fedora Release Engineering <releng@fedoraproject.org> - 9.51-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild