Update security policy

Author: hugoalh

SECURITY.md

@@ -15,8 +15,6 @@
 | v2.X.X | 🔵 | 2023-12-04 | *Pending <br />2024-01-01* | *Unknown* | >= v2.311.0 | >= v7.2.0 | >= v16.13.0 |
 | v1.7.X | 🟢 | 2023-07-24 | 2023-07-24 | *Pending <br />2024-02-01* | >= v2.303.0 | >= v7.2.0 | >= v14.15.0 |
 | v1.6.X | 🔴 | 2023-07-09 | 2023-07-09 | 2023-07-31 | >= v2.303.0 | >= v7.2.0 | >= v14.15.0 |
-| v1.5.X | 🔴 | 2023-04-28 | 2023-04-28 | 2023-07-14 | >= v2.303.0 | >= v7.2.0 | >= v14.15.0 |
-| v1.4.X | 🔴 | 2023-03-24 | 2023-03-24 | 2023-05-01 | >= v2.303.0 | >= v7.2.0 | >= v14.15.0 |
 
 > **ℹ️ Notice:**
 >