Use vscode-web build task

The reh tasks rely on vscode-web and it does not seem they do anything
that we need (we already recompile native modules for platforms in a
later step).

Author: code-asher

ci/build/build-vscode.sh

@@ -12,8 +12,8 @@ main() {
   cd vendor/modules/code-oss-dev
 
   # extensions-ci compiles extensions and includes their media.
-  # compile-web compiles web extensions. TODO: Unsure if used.
-  yarn gulp extensions-ci compile-web "vscode-reh-web${MINIFY:+-min}"
+  # vscode-web compiles the source, web extensions, and optimizes.
+  yarn gulp extensions-ci "vscode-web${MINIFY:+-min}"
 }
 
 main "$@"