Use prebuilt kernel instead of a custom built one

.gitlab-ci.yml

@@ -27,10 +27,8 @@ build-zynthbox-image-armhf:
 
     # Download prebuilt realtime kernel
     - echo "# Download prebuilt realtime kernel"
-    # - wget "http://unofficialpi.org/Distros/RealtimePi/2021-06-15_2021-05-07-realtimepi-buster-armhf-lite-0.5.0.zip" -P ./ZynthianOS/src/image
-    # Try with custom built low latency 5.15 kernel
-    - wget "https://pub.zynthbox.io/.ci-build-dependencies/2023-01-11_2020-02-13-realtimepi-buster-armhf-lite-0.6.0.zip" -P ./ZynthianOS/src/image
-
+    - wget "http://unofficialpi.org/Distros/RealtimePi/2021-06-15_2021-05-07-realtimepi-buster-armhf-lite-0.5.0.zip" -P ./ZynthianOS/src/image
+    
     # Build image
     - echo "# Build image"
     - cd ./ZynthianOS/src