[gtkmm] Gtk: Remove files wrapping only API which has been removed in gtk+-4

[Kjell Ahlstedt <kjellahl src gnome org>]

commit db1c20587450c99db58432d383bf865aaac1aa2f
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Thu Nov 3 14:59:59 2016 +0100

    Gtk: Remove files wrapping only API which has been removed in gtk+-4
    
    It's still not possible to build gtkmm against gtk+-4.
    More changes remain to be done. Bug #773642.

 gtk/gtkmm/stock.cc          |  178 ----------------------
 gtk/gtkmm/stock.h           |  340 -------------------------------------------
 gtk/gtkmm/stockid.cc        |   85 -----------
 gtk/gtkmm/stockid.h         |  155 --------------------
 gtk/src/action.ccg          |   63 --------
 gtk/src/action.hg           |  289 ------------------------------------
 gtk/src/actiongroup.ccg     |  107 --------------
 gtk/src/actiongroup.hg      |  148 -------------------
 gtk/src/activatable.ccg     |   19 ---
 gtk/src/activatable.hg      |   81 ----------
 gtk/src/alignment.ccg       |   26 ----
 gtk/src/alignment.hg        |   91 ------------
 gtk/src/arrow.ccg           |   42 ------
 gtk/src/arrow.hg            |   80 ----------
 gtk/src/colorselection.ccg  |  149 -------------------
 gtk/src/colorselection.hg   |  124 ----------------
 gtk/src/fontselection.ccg   |   23 ---
 gtk/src/fontselection.hg    |  126 ----------------
 gtk/src/handlebox.ccg       |   25 ---
 gtk/src/handlebox.hg        |   76 ----------
 gtk/src/hvbox.ccg           |   26 ----
 gtk/src/hvbox.hg            |   91 ------------
 gtk/src/hvbuttonbox.ccg     |   39 -----
 gtk/src/hvbuttonbox.hg      |   77 ----------
 gtk/src/hvpaned.ccg         |   24 ---
 gtk/src/hvpaned.hg          |   66 ---------
 gtk/src/hvscale.ccg         |   83 -----------
 gtk/src/hvscale.hg          |   91 ------------
 gtk/src/hvscrollbar.ccg     |   57 -------
 gtk/src/hvscrollbar.hg      |   86 -----------
 gtk/src/hvseparator.ccg     |   18 ---
 gtk/src/hvseparator.hg      |   76 ----------
 gtk/src/iconfactory.ccg     |   20 ---
 gtk/src/iconfactory.hg      |   57 -------
 gtk/src/iconset.ccg         |   42 ------
 gtk/src/iconset.hg          |   74 ----------
 gtk/src/iconsource.ccg      |   19 ---
 gtk/src/iconsource.hg       |   68 ---------
 gtk/src/imagemenuitem.ccg   |   65 --------
 gtk/src/imagemenuitem.hg    |   75 ----------
 gtk/src/misc.ccg            |   25 ---
 gtk/src/misc.hg             |   70 ---------
 gtk/src/numerableicon.ccg   |   18 ---
 gtk/src/numerableicon.hg    |   86 -----------
 gtk/src/offscreenwindow.ccg |   26 ----
 gtk/src/offscreenwindow.hg  |   72 ---------
 gtk/src/plug.ccg            |   46 ------
 gtk/src/plug.hg             |   82 -----------
 gtk/src/radioaction.ccg     |   67 ---------
 gtk/src/radioaction.hg      |  183 -----------------------
 gtk/src/recentaction.ccg    |   59 --------
 gtk/src/recentaction.hg     |  120 ---------------
 gtk/src/socket.ccg          |   19 ---
 gtk/src/socket.hg           |  100 -------------
 gtk/src/statusicon.ccg      |   72 ---------
 gtk/src/statusicon.hg       |  221 ----------------------------
 gtk/src/stockitem.ccg       |   56 -------
 gtk/src/stockitem.hg        |   61 --------
 gtk/src/table.ccg           |   30 ----
 gtk/src/table.hg            |  122 ---------------
 gtk/src/tearoffmenuitem.ccg |   24 ---
 gtk/src/tearoffmenuitem.hg  |   49 ------
 gtk/src/toggleaction.ccg    |   57 -------
 gtk/src/toggleaction.hg     |  158 --------------------
 gtk/src/uimanager.ccg       |   48 ------
 gtk/src/uimanager.hg        |  299 -------------------------------------
 66 files changed, 0 insertions(+), 5551 deletions(-)