Rebrand extension as RLS-agnostic

Fixes #781
Refs: editor-rs/vscode-rust#397

Author: Xanewok

CHANGELOG.md

@@ -1,5 +1,6 @@
 ### Unreleased
 
+* Rebrand extension as RLS-agnostic
 * Add missing semantic token types definition
 
 ### 0.7.7 - 2020-05-13

package.json

@@ -1,7 +1,7 @@
 {
     "name": "rust",
-    "displayName": "Rust (rls)",
-    "description": "Rust language support - code completion, Intellisense, refactoring, reformatting, errors, snippets. A client for the Rust Language Server, built by the RLS team.",
+    "displayName": "Rust",
+    "description": "Rust for Visual Studio Code (powered by Rust Language Server/Rust Analyzer). Provides lints, code completion and navigation, formatting and more.",
     "version": "0.7.7",
     "publisher": "rust-lang",
     "icon": "rust-icon.png",