Reword configuration title to just use Rust

Xanewok · Xanewok · commit 5e5712c0db2b · 2020-05-13T10:50:43.000+02:00
That's similar to what most of the other extensions are using and it's a
lot easier on the eyes and to spot in the graphical vscode settings pane.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,7 @@
 ### Unreleased
 
+* Rename configuration section to just "Rust"
+
 ### 0.7.6 - 2020-05-12
 
 * Support rust-analyzer as an alternate LSP server
diff --git a/package.json b/package.json
@@ -160,7 +160,7 @@
         ],
         "configuration": {
             "type": "object",
-            "title": "Rust configuration",
+            "title": "Rust",
             "properties": {
                 "rust-client.engine": {
                     "type": "string",
