Backed out changeset 909bf2399362 (bug 1726550) for causing bc failures on...

Backed out changeset 909bf2399362 (bug 1726550) for causing bc failures on browser_contextmenu.js. CLOSED TREE

browser/themes/shared/privatebrowsing/aboutPrivateBrowsing.css

@@ -354,11 +354,6 @@ p {
   font-weight: 600;
 }
 
-.promo-cta .button:hover {
-  background-color: var(--in-content-primary-button-background-hover);
-  color: var(--in-content-primary-button-text-color-hover);
-}
-
 .promo.bottom .promo-cta {
   display: unset;
 }