[gnome-shell-sass] sessionMode: Remove lock-screen mode

[Florian Müllner <fmuellner src gnome org>]

commit 0a99c837f9f04624f49869ae6698fd24a28e70f6
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Fri Nov 29 12:43:18 2019 -0300

    sessionMode: Remove lock-screen mode
    
    Now that the screen shield is gone (at least, as it used to
    be), the corresponding session mode is not necessary anymore
    as well.
    
    Remove the 'lock-screen' session mode, and the corresponding
    CSS.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/872

 widgets/_panel.scss         | 6 ++----
 widgets/_screen-shield.scss | 2 --
 2 files changed, 2 insertions(+), 6 deletions(-)
---
diff --git a/widgets/_panel.scss b/widgets/_panel.scss
index 298877f..c284af6 100644
--- a/widgets/_panel.scss
+++ b/widgets/_panel.scss
@@ -15,8 +15,7 @@ $panel_height: 1.86em;
 
   // transparent panel on lock & login screens
   &.unlock-screen,
-  &.login-screen,
-  &.lock-screen {
+  &.login-screen {
     background-color: transparent;
 
     .panel-corner {
@@ -77,8 +76,7 @@ $panel_height: 1.86em;
 
     // lock & login screen styles
     .unlock-screen &,
-    .login-screen &,
-    .lock-screen & {
+    .login-screen & {
       color: lighten($fg_color, 10%);
       &:focus, &:hover, &:active { color: lighten($fg_color, 10%); }
     }
diff --git a/widgets/_screen-shield.scss b/widgets/_screen-shield.scss
index f08c1be..9abb3a1 100644
--- a/widgets/_screen-shield.scss
+++ b/widgets/_screen-shield.scss
@@ -50,8 +50,6 @@ $_unlockdialog_shadow: 0px 0px 6px rgba(0, 0, 0, 0.726);
 
 .unlock-dialog-notification-count-text { padding: 0px 0px 0px 12px; }
 
-#panel.lock-screen { background-color: transparentize($osd_bg_color, 0.5); }
-
 .screen-shield-background { //just the shadow, really
   background: black;
   box-shadow: 0px 2px 4px rgba(0,0,0,0.6);