Update Swift version to 6.0 in devcontainer.json

.devcontainer/devcontainer.json

@@ -1,6 +1,6 @@
 {
     "name": "Swift",
-    "image": "swift:6.0.1",
+    "image": "swift:6.0",
     "features": {
         "ghcr.io/devcontainers/features/common-utils:2": {
             "installZsh": "false",
@@ -12,8 +12,7 @@
         "ghcr.io/devcontainers/features/git:1": {
             "version": "os-provided",
             "ppa": "false"
-		},
-		"ghcr.io/nikitakurpas/features/vapor-toolbox:1": {}
+        }
     },
     "runArgs": [
         "--cap-add=SYS_PTRACE",
@@ -37,9 +36,6 @@
     // Use 'forwardPorts' to make a list of ports inside the container available locally.
     // "forwardPorts": [],
 
-    // Use 'postCreateCommand' to run commands after the container is created.
-    "postCreateCommand": "swift --version",
-
     // Set `remoteUser` to `root` to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
     "remoteUser": "vscode"
 }