Makefile: Remove git-merge-base from PROGRAMS.

git-merge-base is a builtin.

Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Makefile

@@ -238,7 +238,6 @@ PROGRAMS = \
 	git-convert-objects$X git-fetch-pack$X \
 	git-hash-object$X git-index-pack$X git-local-fetch$X \
 	git-fast-import$X \
-	git-merge-base$X \
 	git-daemon$X \
 	git-merge-index$X git-mktag$X git-mktree$X git-patch-id$X \
 	git-peek-remote$X git-receive-pack$X \