git: remove duplicate includes

These files are already included; we do not need to include them again

Signed-off-by: Seija Kijin <doremylover123@gmail.com>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

pack-write.c

@@ -5,7 +5,6 @@
 #include "chunk-format.h"
 #include "pack-mtimes.h"
 #include "oidmap.h"
-#include "chunk-format.h"
 #include "pack-objects.h"
 
 void reset_pack_idx_option(struct pack_idx_option *opts)

sequencer.c

@@ -36,7 +36,6 @@
 #include "rebase-interactive.h"
 #include "reset.h"
 #include "branch.h"
-#include "log-tree.h"
 
 #define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION"
 

unpack-trees.c

@@ -19,7 +19,6 @@
 #include "promisor-remote.h"
 #include "entry.h"
 #include "parallel-checkout.h"
-#include "sparse-index.h"
 
 /*
  * Error messages expected by scripts out of plumbing commands such as