Merge pull request #30563 from overleaf/jpa-cleanup-c2d

[monorepo] finish migration from n2d to c3d and c2d to c4d

GitOrigin-RevId: ffdedd41e11559c9cf32dc49e891f31adcecd515

services/web/app/src/Features/Compile/ClsiManager.mjs

@@ -48,10 +48,6 @@ function getNewCompileBackendClass(projectId, compileBackendClass) {
   }
 
   switch (compileBackendClass) {
-    case 'n2d':
-      return 'n4'
-    case 'c2d':
-      return 'n4'
     case 'c3d':
       return 'n4'
     case 'c4d':