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>

lazarus.spec

@@ -60,9 +60,6 @@ sed 's#__LAZARUSDIR__#%{_libdir}/%{name}#;s#__FPCSRCDIR__#%{_datadir}/fpcsrc#' \
 
 chmod 755 %{buildroot}%{_libdir}/%{name}/components/lazreport/tools/localize.sh
 
-%clean
-rm -rf %{buildroot}
-
 %post
 /usr/bin/update-desktop-database -q &> /dev/null || :
 /bin/touch --no-create %{_datadir}/mime/packages &> /dev/null || :