Remove custom cd function from default zshrc

Overriding a builtin like cd causes issues with tooling and
scripts that expect standard cd behavior.

defaults/shell/zshrc

@@ -65,15 +65,6 @@ if [ -d "$HOME/.local/bin" ]; then
     PATH="$HOME/.local/bin:$PATH"
 fi
 
-# --- cd with auto-listing ---
-function cd() {
-    new_directory="$*";
-    if [ $# -eq 0 ]; then
-        new_directory=${HOME};
-    fi;
-    builtin cd "${new_directory}" && eza -lF --icons --color=always --group-directories-first
-}
-
 # --- Key bindings ---
 bindkey "^[[3~"   delete-char
 bindkey "^[[H"    beginning-of-line