Remove .vscode folder

Editor-specific config, not needed in the repo.

.vscode/extensions.json

@@ -1,4 +0,0 @@
-{
-  "recommendations": ["astro-build.astro-vscode"],
-  "unwantedRecommendations": []
-}

.vscode/launch.json

@@ -1,11 +0,0 @@
-{
-  "version": "0.2.0",
-  "configurations": [
-    {
-      "command": "./node_modules/.bin/astro dev",
-      "name": "Development server",
-      "request": "launch",
-      "type": "node-terminal"
-    }
-  ]
-}