Rename python/samba/tests/krb5/{rfc4120_pyasn1_regen.sh => pyasn1_regen.sh}

This is a clearer name for the script

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

diff --git a/python/samba/tests/krb5/rfc4120_pyasn1_regen.sh b/python/samba/tests/krb5/pyasn1_regen.sh
similarity index 100%
rename from python/samba/tests/krb5/rfc4120_pyasn1_regen.sh
rename to python/samba/tests/krb5/pyasn1_regen.sh