Found with bin/find-unneeded-includes
Only removal proposals are dealt with here.

Change-Id: Ie7e20c77a8035c0ee4f0316966d163b9cd7d11f2
Reviewed-on: https://gerrit.libreoffice.org/73006
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>

Change-Id: I56298ee1962a4989bcc5446df2766d7aa30c28cd
Reviewed-on: https://gerrit.libreoffice.org/48980Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

* GCC documents -fvisibility at least as far back as the GCC 4.0 online
  documentation at
  <https://gcc.gnu.org/onlinedocs/gcc-4.0.4/gcc/Code-Gen-Options.html>.

* For external code, odk/settings/settings.mk unconditionally set
  HAVE_GCC_VISIBILITY_FEATURE for all platforms other than Windows.

Make this a fatal configure error for now.  The check should be removed
completely after LO 5.3 branch-off.

Change-Id: I1de415b6ed1591e0a7b6640ece861b6f0ef74112
Reviewed-on: https://gerrit.libreoffice.org/29073Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Tested-by: Stephan Bergmann <sbergman@redhat.com>

Change-Id: Ic25bd678dc299627299b22145efd7bebcf2b39d0

Modules sal, salhelper, cppu, cppuhelper, codemaker (selectively) and odk
have kept them, in order not to break external API (the automatic using declaration
is LO-internal).

Change-Id: I588fc9e0c45b914f824f91c0376980621d730f09

we may want to use syntax highlighter class from svtools later,
which is not available for l10ntools

Change-Id: I5a06b77cb6935e3ef68015fb608aa26ac7c53fac

Change-Id: I024de5b400d0f7a443d4cce7bfe4e88841e6049b

that'd require CLUCENE_CFLAGS everywhere where it's used, and it's not necessary