[gnome-shell] theme: Remove some unsupported CSS properties

[Florian Müllner <fmuellner src gnome org>]

commit ab8bce35f1a08c3356f7e5be1f3ed4ffe171c26f
Author: nana-4 <hnmaigo gmail com>
Date:   Sat Jan 25 10:11:14 2020 +0900

    theme: Remove some unsupported CSS properties
    
    CSS opacity and border-{top,bottom}-{left,right}-radius are not
    supported by St.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/957

 data/theme/gnome-shell-sass/widgets/_calendar.scss           | 1 -
 data/theme/gnome-shell-sass/widgets/_workspace-switcher.scss | 3 ---
 2 files changed, 4 deletions(-)
---
diff --git a/data/theme/gnome-shell-sass/widgets/_calendar.scss 
b/data/theme/gnome-shell-sass/widgets/_calendar.scss
index e1bb0e5697..8ba3d63c29 100644
--- a/data/theme/gnome-shell-sass/widgets/_calendar.scss
+++ b/data/theme/gnome-shell-sass/widgets/_calendar.scss
@@ -176,7 +176,6 @@
 
   .calendar-other-month-day {
     color: transparentize($fg_color ,0.5);
-    opacity: 0.5;
   }
 
   .calendar-week-number {
diff --git a/data/theme/gnome-shell-sass/widgets/_workspace-switcher.scss 
b/data/theme/gnome-shell-sass/widgets/_workspace-switcher.scss
index 1c1cd9c776..f3a227087b 100644
--- a/data/theme/gnome-shell-sass/widgets/_workspace-switcher.scss
+++ b/data/theme/gnome-shell-sass/widgets/_workspace-switcher.scss
@@ -46,9 +46,6 @@
 
   border-radius: $modal_radius 0 0 $modal_radius;
   border-right-width: 0 !important;
-  //fixme: can't have non uniform borders :(
-  border-top-left-radius:0 !important;
-  border-bottom-left-radius:0 !important;
 
   &:rtl { 
     border-radius: 0 $modal_radius $modal_radius 0;