Remove README.md from SDcard files list

Makefile

@@ -312,7 +312,7 @@ BUILDDIRS			+= $(DEMODIR) $(SDCARDDIR) $(SDCARDDIR)/host
 
 DEMOHOSTEXECS		:= $(addprefix $(SDCARDDIR)/host/,u2m_read u2m_write u2m_f2m u2m_m2f)
 DEMOHOSTOBJS		:= $(patsubst $(SDCARDDIR)/host/%,$(DEMODIR)/%.o,$(DEMOHOSTEXECS)) $(DEMODIR)/u2m_lib.o
-DEMOHOSTDATA		:= $(addprefix $(SDCARDDIR)/host/,README.md)
+DEMOHOSTDATA		:=
 DEMOHOSTFILES		:= $(DEMOHOSTEXECS) $(DEMOHOSTDATA)
 
 DEMOTARGETEXECS		:= $(addprefix $(SDCARDDIR)/,player zb_m2f zb_f2m)
@@ -334,7 +334,6 @@ $(DEMOHOSTOBJS): $(DEMODIR)/%.o: $(ROOTDIR)/C/%.c | $(DEMODIR)
 	@printf '[CC]          $< -> $@\n'
 	$(CC) $(CFLAGS) -c $< -o $@ $(OUTPUT)
 
-$(SDCARDDIR)/host/README.md: $(ROOTDIR)/README.md
 $(DEMOHOSTDATA): | $(SDCARDDIR)/host
 	@printf '[CP]          $< -> $@\n'
 	cp -f $< $@