Fix logo image link in README.md for proper display.

Remove unnecessary dark mode reference from the image source.

Author: gabbopalma

maplibre_gl/README.md

@@ -1,6 +1,5 @@
 <p align="center">
-    <img src="https://github.com/user-attachments/assets/cee8376b-9812-40ff-91c6-2d53f9581b83#gh-dark-mode-only" alt="MapLibre Logo" width="300">
-  </a>
+    <img src="https://github.com/user-attachments/assets/cee8376b-9812-40ff-91c6-2d53f9581b83" alt="MapLibre Logo" width="300">
 </p>
 
 # Flutter MapLibre GL