Bug 1722586 - Remove some -moz-proton blocks that were accidentally re-added during a backout. r=Gijs

Differential Revision: https://phabricator.services.mozilla.com/D121001

browser/themes/windows/browser-aero.css

@@ -44,46 +44,11 @@
   @media not (-moz-os-version: windows-win7) {
     @media not (-moz-os-version: windows-win8) {
       @media (-moz-windows-default-theme) {
-        @media not (-moz-proton) {
-        :root:not(:-moz-lwtheme) {
-          background-color: hsl(0, 0%, 78%);
-        }
-
-        @media (-moz-windows-accent-color-in-titlebar: 0) {
-          :root[sizemode=normal][tabsintitlebar] {
-            border-top: 1px solid rgba(0,0,0,.7);
-          }
-          :root[sizemode=normal][tabsintitlebar][always-use-accent-color-for-window-border]:not(:-moz-window-inactive) {
-            border-top-color: -moz-accent-color;
-          }
-          :root[tabsintitlebar]:not(:-moz-lwtheme) {
-            background-color: hsl(235,33%,19%);
-            color: hsl(240,9%,98%);
-          }
-        }
-
-        @media (-moz-windows-accent-color-in-titlebar) {
-          :root[sizemode=normal][tabsintitlebar] {
-            border-top: 1px solid -moz-accent-color;
-          }
-          :root[tabsintitlebar]:not(:-moz-window-inactive, :-moz-lwtheme),
-          :root[tabsintitlebar]:not(:-moz-window-inactive)[lwt-default-theme-in-dark-mode] {
-            background-color: -moz-accent-color;
-            color: -moz-accent-color-foreground;
-          }
-          :root[tabsintitlebar][lwt-default-theme-in-dark-mode] #titlebar {
-            --toolbarbutton-icon-fill: currentColor;
-          }
-        }
-        } /*** end !proton ***/
-
-        @media (-moz-proton) {
         @media (-moz-windows-accent-color-in-titlebar) {
           :root[sizemode=normal][tabsintitlebar] {
             border-top: .5px solid -moz-accent-color;
           }
         }
-        } /*** END proton ***/
 
         :root[sizemode=normal][tabsintitlebar]:-moz-window-inactive {
           border-top-color: rgb(57,57,57);
@@ -95,11 +60,9 @@
           opacity: .6;
         }
 
-        @media (-moz-proton) {
         :root[tabsintitlebar] .tab-secondary-label:-moz-window-inactive {
           opacity: .6;
         }
-        } /*** END proton ***/
       }
 
       @media (-moz-windows-default-theme: 0) {