make: unifdef for NSE (undefined)

@@ -23,11 +23,10 @@
         macro.o         \
         main.o          \
         make.o          \
         misc.o          \
         nse_printdep.o  \
-        nse.o           \
         parallel.o      \
         pmake.o         \
         read.o          \
         read2.o         \
         rep.o           \