debian/patches/series: remove -Wunused-but-set-variable
debian/patches/series: remove -Wunused-but-set-variable

This fix isn't needed for lucid.

racker/zookeeper,racker/zookeeper,racker/zookeeper,racker/zookeeper,racker/zookeeper,racker/zookeeper,racker/zookeeper,racker/zookeeper