Merge branch 'en/header-cleanup'

Remove unused header "#include".

* en/header-cleanup:
  treewide: remove unnecessary includes in source files
  treewide: add direct includes currently only pulled in transitively
  trace2/tr2_tls.h: remove unnecessary include
  submodule-config.h: remove unnecessary include
  pkt-line.h: remove unnecessary include
  line-log.h: remove unnecessary include
  http.h: remove unnecessary include
  fsmonitor--daemon.h: remove unnecessary includes
  blame.h: remove unnecessary includes
  archive.h: remove unnecessary include
  treewide: remove unnecessary includes in source files
  treewide: remove unnecessary includes from header files

diff --cc archive.c
Simple merge

diff --cc bisect.c
Simple merge

diff --cc builtin/add.c
Simple merge

diff --cc builtin/bisect.c
Simple merge

diff --cc builtin/blame.c
Simple merge

diff --cc builtin/branch.c
Simple merge

diff --cc builtin/checkout.c
Simple merge

diff --cc builtin/clone.c
Simple merge

diff --cc builtin/commit.c
Simple merge

diff --cc builtin/fetch.c
Simple merge

diff --cc builtin/for-each-ref.c
Simple merge

diff --cc builtin/log.c
Simple merge

diff --cc builtin/ls-remote.c
Simple merge

diff --cc builtin/merge-tree.c
Simple merge

diff --cc builtin/merge.c
Simple merge

diff --cc builtin/pack-objects.c
Simple merge

diff --cc builtin/push.c
Simple merge

diff --cc builtin/rebase.c
Simple merge

diff --cc builtin/receive-pack.c
Simple merge

diff --cc builtin/repack.c
Simple merge

diff --cc builtin/send-pack.c
Simple merge

diff --cc builtin/show-ref.c
Simple merge

diff --cc builtin/tag.c
Simple merge

diff --cc commit-graph.c
Simple merge

diff --cc commit.c
Simple merge

diff --cc config.c
Simple merge

diff --cc diff-lib.c
Simple merge

diff --cc diff.c
Simple merge

diff --cc dir.c
Simple merge

diff --cc fetch-pack.c
Simple merge

diff --cc fsck.c
Simple merge

diff --cc gpg-interface.c
Simple merge

diff --cc http.c
Simple merge

diff --cc imap-send.c
Simple merge

diff --cc notes-utils.c
Simple merge

diff --cc parse-options.c
Simple merge

diff --cc read-cache.c
Simple merge

diff --cc ref-filter.c
Simple merge

diff --cc ref-filter.h
Simple merge

diff --cc refs/files-backend.c
Simple merge

diff --cc refs/packed-backend.c
Simple merge

diff --cc reftable/merged.c
Simple merge

diff --cc reftable/reader.c
Simple merge

diff --cc reftable/readwrite_test.c
Simple merge

diff --cc reftable/stack_test.c
Simple merge

diff --cc remote-curl.c
Simple merge

diff --cc remote.c
Simple merge

diff --cc revision.c
Simple merge

diff --cc sequencer.c
Simple merge

diff --cc setup.c
Simple merge

diff --cc trace2.c
Simple merge

diff --cc xdiff-interface.c
Simple merge