!16 remove %prep for rpmbuild

From: @panxh_purple
Reviewed-by: @xiezhipeng1
Signed-off-by: @xiezhipeng1

osinfo-db.spec

@@ -1,7 +1,7 @@
 Name: osinfo-db
 Version: 20201218
 Summary: osinfo database files
-Release: 1
+Release: 2
 License: LGPLv2+
 URL: http://libosinfo.org/
 Source0: https://releases.pagure.org/libosinfo/%{name}-%{version}.tar.xz
@@ -15,11 +15,6 @@ osinfo-db provides the database files for use with the libosinfo
 library. It provides information about guest operating systems for
 use with virtualization provisioning tools.
 
-%prep
-%autosetup   -p1
-rm -rf %{_sourcedir}/%{name}-%{version}.tar.xz
-tar -cJvf %{_sourcedir}/%{name}-%{version}.tar.xz ./
-
 %install
 osinfo-db-import  --root %{buildroot} --dir %{_datadir}/osinfo %{SOURCE0}
 
@@ -34,6 +29,9 @@ osinfo-db-import  --root %{buildroot} --dir %{_datadir}/osinfo %{SOURCE0}
 %{_datadir}/osinfo/LICENSE
 
 %changelog
+* Wed Mar 17 2021 panxiaohe <panxiaohe@huawei.com> - 20201218-2
+- remove %prep for rpmbuild
+
 * Sat Jan 23 2021 zoulin <zoulin13@huawei.com> - 20201218-1
 - update version to 20201218