Merge #3362

3362: removing ctrl+r key binding fixes #2733 r=matklad a=jasonwilliams

@matklad i didn't see this mentioned anywhere else in the features.md 

Co-authored-by: Jason Williams <jwilliams720@bloomberg.net>

editors/code/package.json

@@ -154,11 +154,6 @@
                 "key": "ctrl+shift+j",
                 "when": "editorTextFocus && editorLangId == rust"
             },
-            {
-                "command": "rust-analyzer.run",
-                "key": "ctrl+r",
-                "when": "editorTextFocus && editorLangId == rust"
-            },
             {
                 "command": "rust-analyzer.onEnter",
                 "key": "enter",