chore(tooling): remove useless dev container feeatures

.devcontainer/devcontainer.json

@@ -3,10 +3,6 @@
   "dockerComposeFile": "../docker-compose.dev.yml",
   "service": "myhm-commission-dev",
   "workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",
-  "features": {
-    "ghcr.io/devcontainers/features/dotnet:2": {},
-    "ghcr.io/nikiforovall/devcontainer-features/dotnet-csharpier:1": {}
-  },
   "customizations": {
     "vscode": {
       "settings": {