misc: Updated the extension recomendations we include now that clang-…

…tidy is built into cpptools

.vscode/extensions.json

@@ -1,6 +1,5 @@
 {
  "recommendations": [
- "ms-vscode.cpptools",
- "notskm.clang-tidy"
+ "ms-vscode.cpptools"
  ]
 }