Remove deprecated evil-mode SPC keybinding code and comments

Author: tninja

ai-code.el

@@ -390,15 +390,6 @@ Shows the current backend label to the right."
     ("N" "Toggle notifications" ai-code-notifications-toggle)]])
 
 
-
-;; DONE: When in an ai-coding session (e.g., with -backends-infra.el code) and using evil-mode,
-;; pressing SPC in normal state will trigger ai-code-send-command.
-;; Fixed implementation moved to ai-code-backends-infra.el:
-;;   - `ai-code-backends-infra--evil-spc-command' - intercepts SPC in AI session buffers
-;;   - `ai-code-backends-infra-evil-setup' - call with (with-eval-after-load 'evil ...)
-
-;; (with-eval-after-load 'evil (ai-code-backends-infra-evil-setup))
-
 (provide 'ai-code)
 
 ;;; ai-code.el ends here