Revert "setup: Changing task cleaner utility to also handle removal of commands"

This reverts commit 036eb1652e4252c967d24e25518b140665eac9db.

Change-Id: I5f08ff501606d06907704b60c57e950837d4e162
Signed-off-by: Yair Zaslavsky <yzaslavs@redhat.com>