chore: remove AMI publish step (#650)

Signed-off-by: Andrew Rynhard <andrew@andrewrynhard.com>

.drone.yml

@@ -132,31 +132,6 @@ steps:
   depends_on:
   - basic-integration
 
-- name: ami
-  image: autonomy/build-container:latest
-  pull: always
-  environment:
-    PACKER_LOG: "1"
-    BUILDKIT_HOST: tcp://buildkitd.ci.svc:1234
-    BINDIR: /usr/local/bin
-    AWS_ACCESS_KEY_ID:
-      from_secret: aws_access_key_id
-    AWS_SECRET_ACCESS_KEY:
-      from_secret: aws_secret_access_key
-    AWS_DEFAULT_REGION: us-west-2
-    AWS_PUBLISH_REGIONS: us-west-1,us-west-2,us-east-1,us-east-2,eu-central-1
-  commands:
-  - make talos-aws
-  volumes:
-  - name: dockersock
-    path: /var/run
-  when:
-    event:
-      exclude:
-      - pull_request
-  depends_on:
-  - push
-
 - name: release
   image: plugins/github-release
   settings:
@@ -173,7 +148,6 @@ steps:
   depends_on:
   - basic-integration
   - iso
-  - ami
 
 volumes:
 - name: dockersock