Remove image (#447)

Signed-off-by: Floor Drees <floordrees@gmail.com>
Signed-off-by: Gabriele Bartolini <gabriele.bartolini@enterprisedb.com>

Author: FloorD

content/blog/postgresql-19-beta1/elephant-ship.png

@@ -3,8 +3,8 @@ title: "How to test PostgreSQL 19 beta in your Kubernetes cluster"
 date: 2026-06-05
 draft: false
 image:
-    url: elephant-ship.png
-    attribution: from <a href="https://jenikirbyhistory.getarchive.net/amp/media/a-cargo-of-seventy-elephants-landing-from-burmah-during-the-1857-mutiny-3ff978">Metropolitan Museum of Art</a>
+    url: 58364dde1adc4a0a8.37186404-2048x1445.jpg
+    attribution: from <a href="https://wordpress.org/photos/photo/58364dde1a/">Saurabh</a>
 authors:
  - gbartolini
 tags: