9852 enable ld(1) guidance and deflib assertions for the illumos build

@@ -45,11 +45,11 @@
 # to compile a debug version, do a `make COPTFLAG="-g -XO0"'
 #
 
 CPPFLAGS  += -D_XOPEN_SOURCE=500 -D__EXTENSIONS__
 LDLIBS    += -lxnet -lnvpair -ldhcpagent -ldhcputil -linetutil -ldevinfo \
-        -ldlpi -lresolv -lsocket -lipadm
+        -ldlpi -lresolv -lipadm
 
 # Disable warnings that affect all XPG applications.
 LINTFLAGS += -erroff=E_INCONS_ARG_DECL2 -erroff=E_INCONS_VAL_TYPE_DECL2
 
 .KEEP_STATE: