docs: Remove reference to nonexistent vim key binding (#16884)

ShikChen created

That line was accidentally introduced in
https://github.com/zed-industries/zed/pull/12789.

Release Notes:

- N/A

Change summary

docs/src/vim.md | 1 -
1 file changed, 1 deletion(-)

Detailed changes

docs/src/vim.md 🔗

@@ -57,7 +57,6 @@ g <space>  Open the current search excerpt
 <ctrl-w> g D      Go to type definition in a split
 
 # Insert mode
-i a / a a      Select the function argument the cursor is in
 ctrl-x ctrl-o  Open the completion menu
 ctrl-x ctrl-c  Request GitHub Copilot suggestion (if configured)
 ctrl-x ctrl-a  Open the inline AI assistant (if configured)