Remove Bandcamp scraping (TOS violation), use YouTube links for all recommendations

frontend/src/pages/Discover.tsx

@@ -260,26 +260,6 @@ export default function Discover() {
           />
         </div>
 
-        {/* Bandcamp Mode Toggle */}
-        <div className="flex items-center gap-3">
-          <button
-            type="button"
-            onClick={() => setBandcampMode(!bandcampMode)}
-            className={`relative inline-flex h-6 w-11 items-center rounded-full transition-colors cursor-pointer border-none ${
-              bandcampMode ? 'bg-purple' : 'bg-charcoal-muted/30'
-            }`}
-          >
-            <span
-              className={`inline-block h-4 w-4 transform rounded-full bg-white transition-transform ${
-                bandcampMode ? 'translate-x-6' : 'translate-x-1'
-              }`}
-            />
-          </button>
-          <span className="text-sm text-charcoal">
-            Bandcamp mode
-            <span className="text-charcoal-muted ml-1">— prioritize indie & underground artists</span>
-          </span>
-        </div>
 
         {/* Remaining count */}
         {!user?.is_pro && (