Remove unused variables.
Remove unused variables.

jwpeterson/libmesh,90jrong/libmesh,hrittich/libmesh,jwpeterson/libmesh,dschwen/libmesh,libMesh/libmesh,balborian/libmesh,BalticPinguin/libmesh,hrittich/libmesh,dschwen/libmesh,dschwen/libmesh,90jrong/libmesh,pbauman/libmesh,90jrong/libmesh,hrittich/libmesh,balborian/libmesh,dschwen/libmesh,hrittich/libmesh,jwpeterson/libmesh,roystgnr/libmesh,capitalaslash/libmesh,pbauman/libmesh,giorgiobornia/libmesh,capitalaslash/libmesh,pbauman/libmesh,giorgiobornia/libmesh,giorgiobornia/libmesh,libMesh/libmesh,roystgnr/libmesh,capitalaslash/libmesh,dschwen/libmesh,libMesh/libmesh,dschwen/libmesh,90jrong/libmesh,jwpeterson/libmesh,hrittich/libmesh,giorgiobornia/libmesh,roystgnr/libmesh,capitalaslash/libmesh,BalticPinguin/libmesh,pbauman/libmesh,pbauman/libmesh,pbauman/libmesh,90jrong/libmesh,hrittich/libmesh,giorgiobornia/libmesh,libMesh/libmesh,capitalaslash/libmesh,hrittich/libmesh,90jrong/libmesh,pbauman/libmesh,capitalaslash/libmesh,pbauman/libmesh,jwpeterson/libmesh,BalticPinguin/libmesh,giorgiobornia/libmesh,balborian/libmesh,libMesh/libmesh,dschwen/libmesh,jwpeterson/libmesh,roystgnr/libmesh,roystgnr/libmesh,jwpeterson/libmesh,balborian/libmesh,libMesh/libmesh,90jrong/libmesh,90jrong/libmesh,balborian/libmesh,balborian/libmesh,capitalaslash/libmesh,pbauman/libmesh,libMesh/libmesh,roystgnr/libmesh,giorgiobornia/libmesh,balborian/libmesh,hrittich/libmesh,roystgnr/libmesh,libMesh/libmesh,90jrong/libmesh,giorgiobornia/libmesh,roystgnr/libmesh,BalticPinguin/libmesh,BalticPinguin/libmesh,BalticPinguin/libmesh,balborian/libmesh,balborian/libmesh,BalticPinguin/libmesh,BalticPinguin/libmesh,capitalaslash/libmesh,hrittich/libmesh,balborian/libmesh,giorgiobornia/libmesh,jwpeterson/libmesh,dschwen/libmesh