Remove unnecessary includes of builtin.h

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff-no-index.c

@@ -13,7 +13,6 @@
 #include "diffcore.h"
 #include "revision.h"
 #include "log-tree.h"
-#include "builtin.h"
 #include "parse-options.h"
 #include "string-list.h"
 #include "dir.h"

merge-recursive.c

@@ -10,7 +10,6 @@
 #include "alloc.h"
 #include "attr.h"
 #include "blob.h"
-#include "builtin.h"
 #include "cache-tree.h"
 #include "commit.h"
 #include "commit-reach.h"

send-pack.c

@@ -1,4 +1,4 @@
-#include "builtin.h"
+#include "git-compat-util.h"
 #include "config.h"
 #include "commit.h"
 #include "hex.h"