Remove empty directories after rpm -e kimchi on fedora

Some directories were not removed on rpm -e due no declaration on %files
section. Also, the directory was being created in runtime. Now, it is
being created on rpm build.

Signed-off-by: Ramon Medeiros <ramonn@linux.vnet.ibm.com>
Don't let empty directories left on suse

Some directories were not removed on rpm -e due no declaration on %files
section. Also, the directory was being created in runtime. Now, it is
being created on rpm build.

Signed-off-by: Ramon Medeiros <ramonn@linux.vnet.ibm.com>
Remove directories under /var/lib/kimchi if empty on ubuntu

Add the directory structure in the buildroot. Dpkg automatically removes
empty directories.

Signed-off-by: Ramon Medeiros <ramonn@linux.vnet.ibm.com>