contrib/subtree/Makefile: scrap unused $(gitdir)

diff --git a/contrib/subtree/Makefile b/contrib/subtree/Makefile
index 4030a168986d29bdbb2cd982a2e819ce009580f6..87797edeb30309533ddb3ed2ce6bbfdb1d12fe18 100644 (file)
--- a/contrib/subtree/Makefile
+++ b/contrib/subtree/Makefile
@@ -4,7 +4,6 @@
 prefix ?= /usr/local
 mandir ?= $(prefix)/share/man
 libexecdir ?= $(prefix)/libexec/git-core
-gitdir ?= $(shell git --exec-path)
 man1dir ?= $(mandir)/man1
 
 gitver ?= $(word 3,$(shell git --version))