[meld/pathlabel] Remove now-unused meld-notebook-toolbar CSS class

[Kai Willadsen <kaiw src gnome org>]

commit c516da8c034f780dc0650303b4d4393eeb17c2ba
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sun Aug 22 09:28:38 2021 +1000

    Remove now-unused meld-notebook-toolbar CSS class

 meld/resources/meld.css | 12 ------------
 1 file changed, 12 deletions(-)
---
diff --git a/meld/resources/meld.css b/meld/resources/meld.css
index 5334b842..9d9ff216 100644
--- a/meld/resources/meld.css
+++ b/meld/resources/meld.css
@@ -1,16 +1,4 @@
 
-.meld-notebook-toolbar {
-    background-image: none;
-    background-color: @theme_bg_color;
-    border-width: 0 0 1px 0;
-    border-style: solid;
-    border-color: @borders;
-
-    -GtkToolbar-button-relief: none;
-    padding: 3px 2px 2px 2px;
-}
-
-
 .meld-actionbar > revealer >  box {
   padding: 6px;
   border-top: none;