[gtk/misc-cleanups: 7/8] widget-factory: Remove unused css

[Matthias Clasen <matthiasc src gnome org>]

commit 88e890c29c463b38d5c3d21c62446a1a85c0ae73
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue May 5 10:42:13 2020 -0400

    widget-factory: Remove unused css
    
    We no longer show the various frame styles.

 demos/widget-factory/widget-factory.css | 22 ----------------------
 1 file changed, 22 deletions(-)
---
diff --git a/demos/widget-factory/widget-factory.css b/demos/widget-factory/widget-factory.css
index 1674f189ac..1782e6db5f 100644
--- a/demos/widget-factory/widget-factory.css
+++ b/demos/widget-factory/widget-factory.css
@@ -2,25 +2,3 @@
   padding: 0;
   outline-width: 0;
 }
-
-.border-inset {
-  border-style: inset;
-}
-
-.border-outset {
-  border-style: outset;
-}
-
-.border-groove {
-  border-style: groove;
-}
-
-.border-ridge {
-  border-style: ridge;
-}
-
-/* These effects use 2 lines, so show them */
-.border-groove,
-.border-ridge {
-  border-width: 2px;
-}