remove unused push function which causes error with debian awk.
remove unused push function which causes error with debian awk.

maier/nad,maier/nad,HeinrichHartmann/nad,HeinrichHartmann/nad,circonus-labs/nad,HeinrichHartmann/nad,circonus-labs/nad,HeinrichHartmann/nad,circonus-labs/nad,maier/nad,circonus-labs/nad,maier/nad,HeinrichHartmann/nad,maier/nad,circonus-labs/nad,circonus-labs/nad,HeinrichHartmann/nad,maier/nad