Remove legacy cruft

jna.spec

@@ -2,8 +2,6 @@ Name:           jna
 Version:        4.1.0
 Release:        7%{?dist}
 Summary:        Pure Java access to native libraries
-
-Group:          Development/Libraries
 License:        LGPLv2+
 URL:            https://jna.dev.java.net/
 # The source for this package was pulled from upstream's vcs. Use the
@@ -30,13 +28,10 @@ Patch3:         jna-3.5.2-gcj-javadoc.patch
 Patch4:         jna-4.1.0-junit.patch
 Patch6:         jna-4.0.0-ffi.patch
 Patch7:         jna-4.0.0-fix-native-test.patch
-BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 # We manually require libffi because find-requires doesn't work
 # inside jars.
 Requires:       java, jpackage-utils, libffi
-Requires(post):	jpackage-utils
-Requires(postun): jpackage-utils
 BuildRequires:  java-devel, jpackage-utils, libffi-devel
 BuildRequires:  ant, ant-junit, junit
 BuildRequires:  libX11-devel, libXt-devel
@@ -53,7 +48,6 @@ of use take priority.
 
 %package        javadoc
 Summary:        Javadocs for %{name}
-Group:          Documentation
 BuildArch:      noarch
 
 
@@ -63,9 +57,7 @@ This package contains the javadocs for %{name}.
 
 %package        contrib
 Summary:        Contrib for %{name}
-Group:          Documentation
 Requires:       %{name} = %{version}-%{release}
-Obsoletes:      %{name}-examples
 BuildArch:      noarch
 
 
@@ -109,8 +101,6 @@ ant -Dcflags_extra.native="%{optflags}" -Ddynlink.native=true native dist
 find contrib -name build -exec rm -rf {} \; || :
 
 %install
-rm -rf %{buildroot}
-
 # jars
 install -D -m 644 build/%{name}-min.jar %{buildroot}%{_javadir}/%{name}.jar
 install -d -m 755 %{buildroot}%{_javadir}/%{name}
@@ -138,17 +128,12 @@ cp -a doc/javadoc/* %{buildroot}%{_javadocdir}/%{name}
 #ant -Dcflags_extra.native="%{optflags}" -Ddynlink.native=true -Dnomixedjar.native=true test
 
 
-%clean
-rm -rf %{buildroot}
-
-
 %files -f .mfiles
 %doc LICENSE OTHERS README.md CHANGES.md TODO
 %{_libdir}/%{name}
 
 
 %files javadoc
-%defattr(-,root,root,-)
 %doc LICENSE
 %{_javadocdir}/%{name}