Remove reference to unused docker image

Change-Id: I8e4547a92d4f198d6e2c81ce4405498f9d9eeeda
Signed-off-by: J-Alves <joao.alves@arm.com>
diff --git a/docker_templates_amd64.yml b/docker_templates_amd64.yml
index 116e98c..9f362dc 100644
--- a/docker_templates_amd64.yml
+++ b/docker_templates_amd64.yml
@@ -64,14 +64,6 @@
   volumes: '/data/shared:/srv/shared:rw'
   max_instances: '20'
 
-- docker-amd64-joao-tf-a-next-jammy:
-  docker_image_name: 'trustedfirmware/ci-amd64-tf-a-next-ubuntu:jammy'
-  labels: 'docker-amd64-joao-tf-a-next-jammy'
-  launch_method: 'launch_ssh'
-  ssh: !include docker_ssh_buildslave.yml
-  volumes: '/data/shared:/srv/shared:rw'
-  max_instances: '20'
-
 - docker-amd64-tf-a-lts2.8-jammy:
   docker_image_name: 'trustedfirmware/ci-amd64-tf-a-lts2.8-ubuntu:jammy'
   labels: 'docker-amd64-tf-a-lts2.8-jammy'