s3/selftest: Move samba3.rap.basic & samba3.rap.rpc to _smb1 env

s3/selftest: Move samba3.rap.basic & samba3.rap.rpc to _smb1 env

Tests:
  samba3.rap.basic
  samba3.rap.rpc

have been moved to ad_dc_smb1, nt4_dc_smb1

verified by
  python3 source3/selftest/tests.py  | grep ad_dc_smb1 | grep "^samba3.rap"

these tests have been removed from skip_smb1_fails
Additionally
samba3.rap.basic.netsessiongetinfo was already marked as knownfail
in ad_dc so in ad_dc_smb1 also true

Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Ralph Boehme <slow@samba.org>