scripts: Remove sessionclean

We don't need to kill Emacs daemon, emacsclient can recover a broken socket with
the '-a ""' argument.

Trapping kill-emacs is also a bad idea when used with broken login managers like
LightDM: it may kill emacs unexpectedly.

.profile

@@ -100,7 +100,7 @@ export TIME_STYLE=+"|%Y-%m-%d %H:%M:%S|"
 if command -v ssh-agent >/dev/null 2>&1 && [ -z "$SSH_AGENT_PID" ]; then
 	 eval "$(ssh-agent)"
 	 ## Kill ssh-agent on session end. Console login only.
-	 command -v sessionclean >/dev/null 2>&1 && trap 'sessionclean' 0
+	 trap 'test -n "$SSH_AGENT_PID" && eval $(ssh-agent -k)' 0
 fi
 
 ## Linux specific

.scripts/sessionclean

@@ -1,21 +0,0 @@
-#!/bin/sh
-
-if [ "$1" = "-h" ]; then
-	cat <<EOF>&2
-Usage: ${0##*/}
-
-Clean various running processes. Run it before exiting a session.
-
-EOF
-	exit
-fi
-
-if command -v emacsclient >/dev/null 2>&1; then
-	if emacsclient -e '(kill-emacs)' >/dev/null 2>&1; then
-		echo >&2 "Emacs terminated."
-	fi
-fi
-if [ -S "$SSH_AUTH_SOCK" ]; then
-	eval "$(ssh-agent -k)"
-	echo >&2 "SSH agent terminated."
-fi

.xinitrc

@@ -27,4 +27,5 @@ fi
 ## could be the place where to clean everything, but it will not be parsed by
 ## some login managers. Beside, systemd sessions may sigkill all user apps on
 ## logoff, preventing a clean termination.
-# command -v sessionclean >/dev/null 2>&1 && sessionclean
+# ssh-agent -k
+## See if exec'ing "ssh-agent <WM>" is a better idea.