Disable old-style deployments

Author: shlevy

.buildkite/pipeline.yml

@@ -1,40 +1,4 @@
 steps:
-  - label: 'deploy (alpha) 🚀'
-    command:
-      - "./.buildkite/deploy.sh alpha"
-    branches: "alpha"
-    concurrency: 1
-    concurrency_group: "plutus-alpha-deploy"
-    agents:
-      system: x86_64-linux
-
-  - label: 'deploy (production) 🚀'
-    command:
-      - "./.buildkite/deploy.sh production"
-    branches: "production"
-    concurrency: 1
-    concurrency_group: "plutus-production-deploy"
-    agents:
-      system: x86_64-linux
-
-  - label: 'deploy (staging) 🚀'
-    command:
-      - "./.buildkite/deploy.sh staging"
-    branches: "master"
-    concurrency: 1
-    concurrency_group: "plutus-staging-deploy"
-    agents:
-      system: x86_64-linux
-
-  - label: 'deploy (bitte_match) 🚀'
-    command:
-      - "./.buildkite/deploy.sh bitte_match"
-    branches: "bitte"
-    concurrency: 1
-    concurrency_group: "plutus-bitte_match-deploy"
-    agents:
-      system: x86_64-linux
-
   - label: ':shipit: deploy devcontainer image for plutus-starter'
     branches: "plutus-starter-devcontainer/v*"
     command: