suppress failing and unsuppress now passing acceptance tests

Redmine #6406
16_serverd/01_start/007.cf is now unsuppressed as it now passes
16_serverd/01_start/010.cf is still failing so is still suppressed
16_serverd/01_start/allow_path1_then_deny_path2_a.cf was not suppressed and is still failing so has now been suppressed
16_serverd/01_start/allow_path1_then_deny_path2_b.cf was not suppressed and is still failing so has now been suppressed
16_serverd/01_start/copy_from_digest_different_expand_ip_and_shortcut.cf is failing and has now been suppressed
16_serverd/01_start/copy_from_digest_different_expand_shortcut.cf is now unsuppressed as it now passes
16_serverd/01_start/copy_from_encrypted_md5_zero_length_file.cf is still failing so is still suppressed
16_serverd/01_start/simple_copy_from_admit_localhost.cf is now failing so has been suppressed
16_serverd/01_start/16_serverd/01_start/simple_copy_from_deny_localhost.cf is passing and is not suppressed
removed superfluous line