Merge pull request #15522 from overleaf/remove-old-registration-login

Tear down focus-registration split test and make the new variant to be the default

GitOrigin-RevId: e80d3568063f2e23a3671c93b65425bf760657b1

services/web/frontend/stylesheets/app/login-register.less

@@ -138,11 +138,6 @@
   background-size: 22px;
 }
 
-.login-register-header-heading {
-  margin: 0;
-  color: @text-color;
-}
-
 .registration-message-heading {
   color: @text-color;
 }

services/web/frontend/stylesheets/app/register.less

@@ -8,16 +8,16 @@
   padding: 8px 0;
 }
 
-.login-register-header-active {
+.login-register-header-focus {
   padding-top: @line-height-computed;
 }
 
-.login-register-header-heading-active {
+.login-register-header-heading-focus {
   color: @neutral-90;
   margin-bottom: 0;
 }
 
-.login-register-form-active {
+.login-register-form-focus {
   padding: @line-height-computed;
   padding-bottom: 0;
   border-bottom: solid 1px @hr-border;