Remove %clean section

None of currently supported distributions need that.
Last one was EL5 which is EOL for a while.

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

perl-Template-Toolkit.spec

@@ -90,9 +90,6 @@ sed -i "s|$RPM_BUILD_ROOT||g" $RPM_BUILD_ROOT%{perl_vendorarch}/Template/Config.
 %check
 make test
 
-%clean
-rm -rf $RPM_BUILD_ROOT
-
 %files
 %defattr(-,root,root,-)
 %doc Changes HACKING README TODO TT_v*_html_docs/*