Merge pull request #17892 from overleaf/mf-remove-newsletter-artifact

[web] Remove leftover code from the torn down onboarding flow split test

GitOrigin-RevId: 2d87cfe4d916b0d7a7a224c12f22c599e196d69f

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

@@ -506,16 +506,6 @@
     }
   }
 
-  .home-register-newsletter-checkbox {
-    font-size: 0.75rem;
-    margin-top: 10px;
-    text-align: center;
-
-    input[type='checkbox'] {
-      margin-top: 2px;
-    }
-  }
-
   .home-millions-user-text {
     text-align: center;
     font-size: 1.25rem;

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

@@ -75,16 +75,6 @@
   padding: 0 (@line-height-computed / 2);
 }
 
-.login-register-newsletter {
-  font-size: 90%;
-  margin-top: @line-height-computed;
-  text-align: left;
-
-  & > .checkbox {
-    margin-bottom: 0;
-  }
-}
-
 .login-btn-icon {
   position: absolute;
   top: 4px;
@@ -344,13 +334,4 @@
       }
     }
   }
-
-  // for accessibility with keyboard navigation
-  .login-register-newsletter {
-    .checkbox {
-      input[type='checkbox']:focus {
-        outline: 1px solid var(--emerald-green);
-      }
-    }
-  }
 }