Remove defunct MAKE_CONFIG

Makefile.in

@@ -64,8 +64,6 @@ MAKE_UTILS = $(MAKE) 'MAKE=$(MAKE)' 'CXX=$(CXX)' 'CC=$(CC)' 'STRIP=touch' 'INCLU
 'CCDEPMODE=$(CCDEPMODE)' \
 'CXXFLAGS=$(CXXFLAGS) $(DEBCXXFLAGS)' 'CFLGS=$(CFLGS) $(DEBCXXFLAGS)' 'LIBS=$(LIBS)' 'LD=$(LD_DEBUG) -g'
 
-MAKE_CONFIG = $(MAKE) 'MAKE=$(MAKE)'
-
 .PHONY: checkclean.static checkclean.dynamic checkclean.debug lib wraith dwraith lib.debug debug test general sorthelp sort indent tar distrib distclean clean cleanutils test all dynamic static tags
 
 all: dynamic