maintenance: remove EOL 24.0

Author: fanquake

_includes/posts/maintenance-table.md

@@ -1,4 +1,3 @@
-| 24.0 | 2022-11-24 | 2023-12-12  | 2024-04-02 |
 | 25.0 | 2023-05-18 | 2024-04-16  | TBA        |
 | 26.0 | 2023-12-06 | after v28.0 | TBA        |
 | 27.0 | 2024-04-16 | after v29.0 | TBA        |