Remove F2 keybind for Rename on MacOS and Linux (#12037)

Fix [#11608](https://github.com/zed-industries/zed/issues/11608)

Release Notes:

- Changed rename keybind from F2 to Enter in right-click context menu
([#11608](https://github.com/zed-industries/zed/issues/11608)).

![image](https://github.com/zed-industries/zed/assets/30131536/5ebdbb04-ff4e-46ff-80fb-9e95b2b3d285)

assets/keymaps/default-macos.json

@@ -571,7 +571,6 @@
       "cmd-v": "project_panel::Paste",
       "cmd-alt-c": "project_panel::CopyPath",
       "alt-cmd-shift-c": "project_panel::CopyRelativePath",
-      "f2": "project_panel::Rename",
       "enter": "project_panel::Rename",
       "backspace": "project_panel::Trash",
       "delete": "project_panel::Trash",