Okay, let's really get those libz references out of there!

This commit was SVN r18114.

contrib/platform/lanl/roadrunner/debug

@@ -4,7 +4,6 @@ enable_pty_support=no
 with_tm=/opt/PBS
 with_wrapper_cflags=-I/opt/panfs/include
 LDFLAGS=-L/opt/PBS/lib64
-LIBS=-lz
 with_openib=/opt/ofed
 with_io_romio_flags=--with-file-system=ufs+nfs+panfs
 with_memory_manager=no

contrib/platform/lanl/roadrunner/optimized

@@ -3,7 +3,6 @@ enable_dlopen=no
 enable_pty_support=no
 with_tm=/opt/PBS
 LDFLAGS=-L/opt/PBS/lib64
-LIBS=-lz
 with_openib=/opt/ofed
 with_memory_manager=yes
 enable_mem_debug=no