treewide: remove duplicate #include directives

Found with "git grep '^#include ' '*.c' | sort | uniq -d".

Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/am.c

@@ -24,7 +24,6 @@
 #include "sequencer.h"
 #include "revision.h"
 #include "merge-recursive.h"
-#include "revision.h"
 #include "log-tree.h"
 #include "notes-utils.h"
 #include "rerere.h"

builtin/blame.c

@@ -26,7 +26,6 @@
 #include "progress.h"
 #include "object-store.h"
 #include "blame.h"
-#include "string-list.h"
 #include "refs.h"
 
 static char blame_usage[] = N_("git blame [<options>] [<rev-opts>] [<rev>] [--] <file>");

builtin/clone.c

@@ -32,7 +32,6 @@
 #include "connected.h"
 #include "packfile.h"
 #include "list-objects-filter-options.h"
-#include "object-store.h"
 
 /*
  * Overall FIXMEs:

builtin/describe.c

@@ -15,7 +15,6 @@
 #include "argv-array.h"
 #include "run-command.h"
 #include "object-store.h"
-#include "revision.h"
 #include "list-objects.h"
 #include "commit-slab.h"
 

builtin/rev-list.c

@@ -18,7 +18,6 @@
 #include "reflog-walk.h"
 #include "oidset.h"
 #include "packfile.h"
-#include "object-store.h"
 
 static const char rev_list_usage[] =
 "git rev-list [OPTION] <commit-id>... [ -- paths... ]\n"

builtin/worktree.c

@@ -10,7 +10,6 @@
 #include "run-command.h"
 #include "sigchain.h"
 #include "submodule.h"
-#include "refs.h"
 #include "utf8.h"
 #include "worktree.h"
 

object.c

@@ -7,7 +7,6 @@
 #include "commit.h"
 #include "tag.h"
 #include "alloc.h"
-#include "object-store.h"
 #include "packfile.h"
 #include "commit-graph.h"
 

packfile.c

@@ -6,7 +6,6 @@
 #include "mergesort.h"
 #include "packfile.h"
 #include "delta.h"
-#include "list.h"
 #include "streaming.h"
 #include "sha1-lookup.h"
 #include "commit.h"

shallow.c

@@ -12,10 +12,7 @@
 #include "diff.h"
 #include "revision.h"
 #include "commit-slab.h"
-#include "revision.h"
 #include "list-objects.h"
-#include "commit-slab.h"
-#include "repository.h"
 #include "commit-reach.h"
 
 void set_alternate_shallow_file(struct repository *r, const char *path, int override)

unpack-trees.c

@@ -11,7 +11,6 @@
 #include "refs.h"
 #include "attr.h"
 #include "split-index.h"
-#include "dir.h"
 #include "submodule.h"
 #include "submodule-config.h"
 #include "fsmonitor.h"