runalltests.sh: Fix runalltests.sh removal

Remove obsolete entries from Makefile and INSTALL and doc/*

Installation failed because runalltests.sh has been removed in:

commit 7be6224fb296e0d506a4d48d0bc03ba3ea912210
Author: Petr Vorel <pvorel@suse.cz>
Date:   Thu Nov 10 12:54:41 2016 +0100

    runalltests.sh: removed

Signed-off-by: Xiao Yang <yangx.jy@cn.fujitsu.com>
Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
3 files changed