Accepting request 139213 from home:jengelh:branches:GNOME:Factory

- Make glib2-devel-32bit available on all arches
(obvious reason is that someone - in this case me - has come across a tarball using gtk2, and this tarball I want to compile with -m32)
- Remove redundant tags/sections from specfile

OBS-URL: https://build.opensuse.org/request/show/139213
OBS-URL: https://build.opensuse.org/package/show/GNOME:Factory/glib2?expand=0&rev=212

glib2.spec

@@ -123,7 +123,6 @@ GSettings and applications used by the MIME system.
 
 %package devel
 #'
-Requires:       %{name} = %{version}
 Requires:       glibc-devel
 Requires:       pkg-config
 # Now require the subpackages too
@@ -378,9 +377,6 @@ fi
   %{_bindir}/gio-querymodules %{_libdir}/gio/modules
 %endif
 
-%clean
-rm -rf %{buildroot}
-
 %files tools
 %defattr(-,root,root)
 %{_bindir}/gdbus