Revert "target: select procd-{ujail,seccomp} if !SMALL_FLASH"

This reverts commit 6a56a6eb30799fcec9eecc3ee860dc4d8a5d952a as several
users have reported unbootable systems.

Ref: https://lists.openwrt.org/pipermail/openwrt-devel/2020-October/031838.html
Suggested-by: Roman Kuzmitskii <[email protected]>
Signed-off-by: Petr Štetiar <[email protected]>

include/target.mk

@@ -36,10 +36,6 @@ else
 DEFAULT_PACKAGES+=busybox procd
 endif
 
-ifeq ($(CONFIG_SMALL_FLASH),)
-DEFAULT_PACKAGES+=procd-ujail procd-seccomp
-endif
-
 # For the basic set
 DEFAULT_PACKAGES.basic:=
 # For nas targets