Update Makefile

Author: amitsaha

Makefile

@@ -29,8 +29,7 @@ clean:
 	[ ! -d $(OUTPUTDIR) ] || rm -rf $(OUTPUTDIR)
 
 build:
-	$(PELICAN) $(INPUTDIR) -o $(OUTPUTDIR) -s $(PUBLISHCONF) $(PELICANOPTS)
-	cp 404.md $(OUTPUTDIR)/
+	$(PELICAN) $(INPUTDIR) -o $(OUTPUTDIR) -s $(PUBLISHCONF) $(PELICANOPTS)	
 
 # Commit changes in site, push, update master, commit, push
 # Not used any more since we use travis' github pages