[Bf-blender-cvs] [2fefbfd2d0a] blender2.8: Revert "Fix T58904: Side tabs disappear when creating new View Layer"

[Campbell Barton]

Commit: 2fefbfd2d0ac715d4928318c8506eec3eb81dc88
Author: Campbell Barton
Date:   Fri Dec 7 13:49:00 2018 +1100
Branches: blender2.8
https://developer.blender.org/rB2fefbfd2d0ac715d4928318c8506eec3eb81dc88

Revert "Fix T58904: Side tabs disappear when creating new View Layer"

This reverts commit 892a104d2cc322cb042a687050dcce2403a971f3.

===================================================================

M	source/blender/editors/space_buttons/space_buttons.c

===================================================================

diff --git a/source/blender/editors/space_buttons/space_buttons.c b/source/blender/editors/space_buttons/space_buttons.c
index 6dc7d5a9cda..1f1f238daf6 100644
--- a/source/blender/editors/space_buttons/space_buttons.c
+++ b/source/blender/editors/space_buttons/space_buttons.c
@@ -431,20 +431,6 @@ static void buttons_navigation_bar_region_draw(const bContext *C, ARegion *ar)
 	ED_region_panels_draw(C, ar);
 }
 
-static void buttons_navigation_bar_region_listener(
-        wmWindow *UNUSED(win), ScrArea *UNUSED(sa), ARegion *ar, wmNotifier *wmn,
-        const Scene *UNUSED(scene))
-{
-	/* Context changes. */
-	switch (wmn->category) {
-		case NC_SCREEN:
-			if (ELEM(wmn->data, ND_LAYER)) {
-				ED_region_tag_redraw(ar);
-			}
-			break;
-	}
-}
-
 /* draw a certain button set only if properties area is currently
  * showing that button set, to reduce unnecessary drawing. */
 static void buttons_area_redraw(ScrArea *sa, short buttons)
@@ -746,7 +732,6 @@ void ED_spacetype_buttons(void)
 	art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
 	art->init = buttons_navigation_bar_region_init;
 	art->draw = buttons_navigation_bar_region_draw;
-	art->listener = buttons_navigation_bar_region_listener;
 	BLI_addhead(&st->regiontypes, art);
 
 	BKE_spacetype_register(st);