Remove old tree making from the Makefile so Travis works.

Author: NathanKell

Makefile

@@ -4,28 +4,23 @@
 
 PROJ_NAME = $(shell basename `pwd`)
 
-TREE_SRC := tree.yml
-TREE := GameData/RP-0/Tree.cfg
-
 AVC := GameData/RP-0/RP-0.version
 
 VERSION := $(shell git describe --tags)
 
 ZIPFILE := $(PROJ_NAME)-$(VERSION).zip
 
-all: $(TREE) $(AVC)
+all: $(AVC)
 
 release: $(ZIPFILE)
 
-$(TREE): $(TREE_SRC)
-	bin/yml2mm
 
 # Always rebuild AVC files, because it depends upon
 # git version info, which Make can't comprehend.
 $(AVC): FORCE
 	bin/makeversion
 
-$(ZIPFILE): $(TREE) $(AVC)
+$(ZIPFILE): $(AVC)
 	zip -r $(ZIPFILE) README.md LICENSE.md GameData
 
 # This is a magic target that forces anything that