Merge pull request #10484 from overleaf/ds-homepage-css-bug-fix

fixed the css bug on home page, removed the variable

GitOrigin-RevId: 5a2ca4aa75d15205d56e83d598535128643e6b39

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

@@ -94,7 +94,7 @@
   }
 }
 
-.login-btn when(@is-new-css = false) {
+.login-btn {
   .btn;
   .btn-default;
   position: relative;
@@ -102,14 +102,6 @@
   padding-right: 0;
 }
 
-.login-btn when(@is-new-css = true) {
-  .btn;
-  .btn-secondary;
-  position: relative;
-  padding-left: 20px;
-  padding-right: 0;
-}
-
 .login-btn-sharelatex {
   background-color: @brand-sharelatex-color;
   &:focus,