Remove BuildRoot definition

None of currently supported distributions need that.
It was needed last for EL5 which is EOL now

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

perl-Template-Toolkit.spec

@@ -8,7 +8,6 @@ URL:            http://www.template-toolkit.org/
 Source0:        http://search.cpan.org/CPAN/authors/id/A/AB/ABW/Template-Toolkit-%{version}.tar.gz
 # No 225 version available
 Source1:        http://tt2.org/download/TT_v224_html_docs.tar.gz
-BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires:  perl-devel
 BuildRequires:  perl-generators