[gtk+] Adwaita: don't set deprecated style property

[Cosimo Cecchi <cosimoc src gnome org>]

commit 22c91698837ee06587f95dac82c72f3b8f64bc7d
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Tue Dec 22 11:52:43 2015 -0800

    Adwaita: don't set deprecated style property

 gtk/theme/Adwaita/_common.scss           |    2 --
 gtk/theme/Adwaita/gtk-contained-dark.css |    1 -
 gtk/theme/Adwaita/gtk-contained.css      |    1 -
 3 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index 3b15c76..dd0bd36 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -945,8 +945,6 @@ combobox {
   > button.combo { padding-top: 3px; padding-bottom: 4px; } // Otherwise combos
                                                                            // are bigger then
                                                                            // buttons
-  -GtkComboBox-shadow-type: none;
-
   @include _button_text_shadow;
 
   &:insensitive {
diff --git a/gtk/theme/Adwaita/gtk-contained-dark.css b/gtk/theme/Adwaita/gtk-contained-dark.css
index 890e812..7a8f790 100644
--- a/gtk/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/theme/Adwaita/gtk-contained-dark.css
@@ -1511,7 +1511,6 @@ treeview spinbutton entry, treeview spinbutton spinbutton, treeview spinbutton e
  * ComboBoxes *
  **************/
 combobox {
-  -GtkComboBox-shadow-type: none;
   text-shadow: 0 -1px rgba(0, 0, 0, 0.81176);
   -gtk-icon-shadow: 0 -1px rgba(0, 0, 0, 0.81176); }
   combobox > button.combo, headerbar combobox > button.combo.titlebutton,
diff --git a/gtk/theme/Adwaita/gtk-contained.css b/gtk/theme/Adwaita/gtk-contained.css
index e9357ce..b259ec6 100644
--- a/gtk/theme/Adwaita/gtk-contained.css
+++ b/gtk/theme/Adwaita/gtk-contained.css
@@ -1511,7 +1511,6 @@ treeview spinbutton entry, treeview spinbutton spinbutton, treeview spinbutton e
  * ComboBoxes *
  **************/
 combobox {
-  -GtkComboBox-shadow-type: none;
   text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
   -gtk-icon-shadow: 0 1px rgba(255, 255, 255, 0.76923); }
   combobox > button.combo, headerbar combobox > button.combo.titlebutton,