vscode: only recommend rust-analyzer
Previously, both RLS and Rust-Analyzer were recommended, now we just recommend RA.
-{
// spell-checker:ignore (misc) matklad
// see <http://go.microsoft.com/fwlink/?LinkId=827846> for the documentation about the extensions.json format
+{
"recommendations": [
// Rust language support.
- "rust-lang.rust",
- // Provides support for rust-analyzer: novel LSP server for the Rust programming language.
"matklad.rust-analyzer",
// `cspell` spell-checker support
"streetsidesoftware.code-spell-checker"
