Revert "kconfig: fix randomising choice entries in presence of KCONFIG_ALLCONFIG"

This reverts commit 422c809f.
It causes more harm than it solves issues.

Reported-by: Sedat Dilek <sedat.dilek@gmail.com>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Greg KH <greg@kroah.com>