perl.inc: Remove redundant code
perl.inc: Remove redundant code

The step for handle metaconfig-debian-perl-* is already defined.
This redundant code is only for version 5.26.

Signed-off-by: Trung Do <64081e6b7eb2b24289b8a4e51cef9836ddf28af2@toshiba-tsdv.com>

meta-debian/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian