feat: remove vault in favour of infisical hosted secrets

This makes things easier for my purposes

.devcontainer/devcontainer.json

@@ -7,11 +7,7 @@
       "installTerraformDocs": true
     },
     "ghcr.io/dhoeric/features/trivy:1": {},
-    "ghcr.io/devcontainers-contrib/features/argo-cd:1": {},
-    "ghcr.io/devcontainers-contrib/features/gh-release:1": {
-      "repo": "bank-vaults/bank-vaults",
-      "binaryNames": "bank-vaults"
-    }
+    "ghcr.io/devcontainers-contrib/features/argo-cd:1": {}
   },
   "customizations": {
     "vscode": {
@@ -33,14 +29,7 @@
   "initializeCommand": {
     "ensureSSHDirNix": "mkdir -p ${localEnv:HOME}${localEnv:USERPROFILE}/.ssh"
   },
-  "onCreateCommand": {
-    "vault": "brew tap hashicorp/tap && brew install hashicorp/tap/vault"
-  },
   "postAttachCommand": {
     "ensureKubeDir": "mkdir -p /home/vscode/.kube"
-  },
-  "containerEnv": {
-    "VAULT_ADDR": "https://127.0.0.1:8200",
-    "VAULT_CACERT": "/tmp/vault-ca.crt"
   }
 }