[gitg] Remove style deprecations

[Alberto Fanjul <albfan src gnome org>]

commit ff8814a7030f8b6878e5ca4d74542bfa2123ef7e
Author: Gaurav Agrawal <agrawalgaurav1999 gmail com>
Date:   Sat Oct 5 08:34:11 2019 +0200

    Remove style deprecations

 gitg/commit/gitg-commit-dialog.vala  | 6 ------
 gitg/history/gitg-history-paned.vala | 2 --
 gitg/resources/ui/style.css          | 5 -----
 3 files changed, 13 deletions(-)
---
diff --git a/gitg/commit/gitg-commit-dialog.vala b/gitg/commit/gitg-commit-dialog.vala
index 1d4181ff..ce469423 100644
--- a/gitg/commit/gitg-commit-dialog.vala
+++ b/gitg/commit/gitg-commit-dialog.vala
@@ -592,13 +592,7 @@ class Dialog : Gtk.Dialog
                ctx.save();
                ctx.add_class("warning");
 
-               var fg = ctx.get_color(Gtk.StateFlags.NORMAL);
-               var bg = ctx.get_background_color(Gtk.StateFlags.NORMAL);
-
                ctx.restore();
-
-               d_too_long_tag.background_rgba = bg;
-               d_too_long_tag.foreground_rgba = fg;
        }
 
        private bool on_commit_message_key_press_event(Gtk.Widget widget, Gdk.EventKey event)
diff --git a/gitg/history/gitg-history-paned.vala b/gitg/history/gitg-history-paned.vala
index 90101b6d..dff77b93 100644
--- a/gitg/history/gitg-history-paned.vala
+++ b/gitg/history/gitg-history-paned.vala
@@ -194,8 +194,6 @@ class Paned : Gitg.AnimatedPaned
                var c = get_style_context();
                c.save();
 
-               c.add_region("panel-switcher", 0);
-
                Gtk.Allocation alloc;
                d_stack_switcher_panels.get_allocation(out alloc);
 
diff --git a/gitg/resources/ui/style.css b/gitg/resources/ui/style.css
index a7c4a542..e499866b 100644
--- a/gitg/resources/ui/style.css
+++ b/gitg/resources/ui/style.css
@@ -71,11 +71,6 @@ GitgCreateTagDialog GtkTextView:disabled {
        background-color: @sidebar_bg_unfocused;
 }
 
-GitgHistoryPaned panel-switcher {
-       border-top: 1px solid @borders;
-       background-color: @theme_bg_color;
-}
-
 GitgHistoryPaned GtkEntry.ref_editing_entry {
        padding: 0;
        border: 0;