Removed key info from remapping tables in remote-modes/
* remote-modes/rudel-remote-modes-util.el
  (rudel-remote-modes-util-define-remote-mode): expect function to
  contain just function names, no keys
* remote-modes/rudel-remote-modes-slime.el
  (rudel-remote-modes-slime-repl-functions): removed keys
* remote-modes/rudel-remote-modes-eshell.el
  (rudel-remote-modes-eshell-functions): likewise
* remote-modes/rudel-remote-modes-comint.el
  (rudel-remote-modes-comint-functions): likewise