zsh: Unset KEYTIMEOUT

layers/zsh.nix

@@ -132,10 +132,10 @@ in
       fi
     }
 
-
     # "The time the shell waits, in hundredths of seconds, for another key to be pressed when reading bound multi-character sequences."
     # This is for vim-style multi-letter commands (<f><d> is mapped to <Esc>)
-    KEYTIMEOUT=20
+    # TODO verify this can be removed
+    #KEYTIMEOUT=20
 
     HISTSIZE=100000
     SAVEHIST=100000