Remove manual JEE/NEET toggle from CBT page, enforcing automatic target_exam

src/app/dashboard/cbt/page.tsx

@@ -162,20 +162,7 @@ export default function CBTPage() {
         </div>
       </div>
 
-      <div className="flex gap-3 overflow-x-auto pb-2 scrollbar-hide">
+
-        {["JEE", "NEET"].map(p => {
-          return (
-            <Button
-              key={p}
-              variant={selectedPattern === p ? "default" : "outline"}
-              onClick={() => setSelectedPattern(p)}
-              className="rounded-full shadow-sm px-6 font-bold"
-            >
-              {p}
-            </Button>
-          )
-        })}
-      </div>
 
       <div className="space-y-6">
         <h2 className="text-xl font-bold border-b border-border pb-2 flex items-center gap-2">