This reverts commit d3938ffb0a, since it produces build error: BuildError: mismatch when analyzing ruby-irb-2.0.0.0-0.1.r39357.fc19.noarch.rpm, rpmdiff output was: removed REQUIRES ruby-libs(x86-64) = 2.0.0.0 added REQUIRES ruby-libs(x86-32) = 2.0.0.0
d3938ffb0a