remove duplicate call to copy_environment(), probably added by a merge error
remove duplicate call to copy_environment(), probably added by a merge error

globus/globus-toolkit,globus/globus-toolkit,globus/globus-toolkit,gridcf/gct,ellert/globus-toolkit,gridcf/gct,ellert/globus-toolkit,globus/globus-toolkit,gridcf/gct,ellert/globus-toolkit,gridcf/gct,ellert/globus-toolkit,gridcf/gct,globus/globus-toolkit,ellert/globus-toolkit,ellert/globus-toolkit,globus/globus-toolkit,globus/globus-toolkit,globus/globus-toolkit,gridcf/gct,ellert/globus-toolkit,ellert/globus-toolkit