Remove obsolete BuildRoot tag

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

pentaho-reporting-flow-engine.spec

@@ -9,7 +9,6 @@ URL: http://reporting.pentaho.org/
 BuildRequires: ant, java-devel, jpackage-utils, libbase, libserializer
 BuildRequires: libloader, libfonts, pentaho-libxml, xml-commons-apis
 BuildRequires: librepository, sac, flute, liblayout, libformula
-Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 Requires: java-headless, jpackage-utils, libbase >= 1.1.3, libfonts >= 1.1.3
 Requires: pentaho-libxml, libformula >= 1.1.3, librepository >= 1.1.3
 Requires: sac, flute, liblayout >= 0.2.10, libserializer