feat: Removed the standalone Playlists button from ChannelDetail — scan…

- "src/frontend/src/pages/ChannelDetail.tsx"

GSD-Task: S03/T02

src/frontend/src/pages/ChannelDetail.tsx

@@ -1326,22 +1326,7 @@ export function ChannelDetail() {
                 )}
                 {collectMonitored.isPending ? 'Collecting…' : 'Collect'}
               </button>
-              {isYouTube ? (
-                <button
-                  onClick={handleRefreshPlaylists}
-                  disabled={refreshPlaylists.isPending}
-                  title="Refresh Playlists"
-                  className="btn btn-ghost"
-                  style={{ opacity: refreshPlaylists.isPending ? 0.6 : 1 }}
-                >
-                  {refreshPlaylists.isPending ? (
-                    <Loader size={14} style={{ animation: 'spin 1s linear infinite' }} />
-                  ) : (
-                    <ListMusic size={14} />
-                  )}
-                  {refreshPlaylists.isPending ? 'Refreshing…' : 'Playlists'}
-                </button>
-              ) : null}
+
             </div>
           </div>