docs: Fix path to keymap.json config file for macOS (#32728)

Dallin Huff created 

Update key-bindings doc page to correctly reference
`~/.config/zed/keymap.json` instead of the old `~/.zed/keymap.json`

Closes #ISSUE

Release Notes:

- N/A

Change summary

docs/src/key-bindings.md | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Detailed changes

docs/src/key-bindings.md 🔗 

@@ -18,7 +18,7 @@ You can also enable `vim_mode`, which adds vim bindings too.
 
 ## User keymaps
 
-Zed reads your keymap from `~/.zed/keymap.json` on MacOS (or `~/.config/zed/keymap.json` on Linux). You can open the file within Zed with {#kb zed::OpenKeymap}, or via `zed: Open Keymap` in the command palette.
+Zed reads your keymap from `~/.config/zed/keymap.json`. You can open the file within Zed with {#kb zed::OpenKeymap}, or via `zed: Open Keymap` in the command palette.
 
 The file contains a JSON array of objects with `"bindings"`. If no `"context"` is set the bindings are always active. If it is set the binding is only active when the [context matches](#contexts).