disable some unused styles for xfce

(cherry picked from commit e4d2eb5)

(cherry picked from commit c2687a1)

Author: lots0logs

gtk-3.0/scss/_widgets.scss

@@ -31,7 +31,7 @@
 @import "apps/nemo";
 @import "apps/panel";
 @import "apps/synaptic";
-@import "apps/xfce";
+//@import "apps/xfce";
 @import "apps/unity";
 @import "apps/lightdm";
 @import "apps/gnome-terminal";

gtk-3.20/scss/_widgets.scss

@@ -34,6 +34,6 @@
 @import "apps/nemo";
 @import "apps/panel";
 @import "apps/synaptic";
-@import "apps/xfce";
+//@import "apps/xfce";
 @import "apps/unity";
 @import "apps/lightdm";

gtk-3.20/scss/apps/_xfce.scss

@@ -5,7 +5,7 @@
 ****************/
 
 @include exports("xfce") {
-    XfceHeading {
+    /*XfceHeading {
         margin: 0;
         padding: 0;
         border: 0;
@@ -17,10 +17,9 @@
     .xfce4-panel {
         @extend %panel;
 
-        font: normal;
+        font: inherit;
 
         button { @extend %panelbutton; }
+    }*/
 
-        menu, .menu { -gtk-icon-effect: none; }
-    }
 }