Remove dead code

Remove code from dns_zone_setparentals() that cannot be reached
now that set_serverslist() returns void.
67 jobs for !5494 with each-silence-coverity in 18 minutes and 1 second (queued for 13 seconds)
latest detached
Status Job ID Name Coverage
  Autoconf
passed autoreconf #2041461
amd64 linux

00:00:18

 
  Precheck
passed clang-format #2041463
amd64 linux

00:00:15

passed coccinelle #2041464
amd64 linux

00:03:52

passed danger #2041465
amd64 linux

00:00:16

passed misc #2041462
amd64 linux

00:00:16

passed tarball-create #2041466
amd64 linux

00:01:33

 
  Build
passed clang:asan #2041480
amd64 linux

00:01:52

passed clang:buster:amd64 #2041483
amd64 linux

00:00:55

passed clang:freebsd12:amd64 #2041484
amd64 libvirt

00:01:03

passed clang:freebsd13:amd64 #2041485
amd64 libvirt

00:02:59

passed clang:openbsd:amd64 #2041486
amd64 libvirt

00:02:08

passed clang:tsan #2041482
amd64 linux

00:01:05

passed gcc:alpine3.14:amd64 #2041467
amd64 linux

00:01:01

passed gcc:asan #2041479
amd64 linux

00:01:29

passed gcc:bionic:amd64 #2041477
amd64 linux

00:00:55

passed gcc:buster:amd64 #2041471
amd64 linux

00:00:45

passed gcc:buster:amd64cross32 #2041472
amd64 linux

00:00:59

passed gcc:focal:amd64 #2041478
amd64 linux

00:00:56

passed gcc:oraclelinux7:amd64 #2041468
amd64 linux

00:00:51

passed gcc:oraclelinux8:amd64 #2041469
amd64 linux

00:00:57

passed gcc:out-of-tree #2041474
amd64 linux

00:00:47

passed gcc:sid:amd64 #2041473
amd64 linux

00:01:02

passed gcc:stretch:amd64 #2041470
amd64 linux

00:01:01

passed gcc:tarball #2041475
amd64 linux

00:00:59

passed gcc:tsan #2041481
amd64 linux

00:00:53

passed gcc:tumbleweed:amd64 #2041476
amd64 linux

00:00:48

 
  Unit
passed unit:clang:asan #2041498
amd64 linux

00:01:38

passed unit:clang:buster:amd64 #2041501
amd64 linux

00:01:16

passed unit:clang:freebsd12:amd64 #2041502
amd64 libvirt

00:01:36

passed unit:clang:freebsd13:amd64 #2041503
amd64 libvirt

00:03:27

passed unit:clang:openbsd:amd64 #2041504
amd64 libvirt

00:03:35

passed unit:clang:tsan #2041500
amd64 linux

00:03:19

passed unit:gcc:alpine3.14:amd64 #2041487
amd64 linux

00:01:26

passed unit:gcc:asan #2041497
amd64 linux

00:01:38

passed unit:gcc:bionic:amd64 #2041495
amd64 linux

00:01:32

passed unit:gcc:buster:amd64 #2041491
amd64 linux

00:02:22

passed unit:gcc:buster:amd64cross32 #2041492
amd64 linux

00:01:24

passed unit:gcc:focal:amd64 #2041496
amd64 linux

00:01:11

passed unit:gcc:oraclelinux7:amd64 #2041488
amd64 linux

00:01:24

passed unit:gcc:oraclelinux8:amd64 #2041489
amd64 linux

00:01:29

passed unit:gcc:sid:amd64 #2041493
amd64 linux

00:01:30

passed unit:gcc:stretch:amd64 #2041490
amd64 linux

00:00:16

passed unit:gcc:tsan #2041499
amd64 linux

00:04:23

passed unit:gcc:tumbleweed:amd64 #2041494
amd64 linux

00:01:18

 
  System
passed system:clang:asan #2041516
amd64 linux

00:13:13

passed system:clang:buster:amd64 #2041519
amd64 linux

00:10:51

passed system:clang:freebsd12:amd64 #2041520
amd64 libvirt

00:11:24

passed system:clang:freebsd13:amd64 #2041521
amd64 libvirt

00:13:14

passed system:clang:tsan #2041518
amd64 linux

00:16:22

passed system:gcc:alpine3.14:amd64 #2041505
amd64 linux

00:11:58

passed system:gcc:asan #2041515
amd64 linux

00:13:54

passed system:gcc:bionic:amd64 #2041513
amd64 linux

00:10:26

failed system:gcc:buster:amd64 #2041509
amd64 linux

00:11:46

passed system:gcc:buster:amd64cross32 #2041510
amd64 linux

00:11:36

passed system:gcc:focal:amd64 #2041514
amd64 linux

00:11:20

passed system:gcc:oraclelinux7:amd64 #2041506
amd64 linux

00:10:44

passed system:gcc:oraclelinux8:amd64 #2041507
amd64 linux

00:10:51

passed system:gcc:sid:amd64 #2041511
amd64 linux

00:10:41

passed system:gcc:stretch:amd64 #2041508
amd64 linux

00:11:15

passed system:gcc:tsan #2041517
amd64 linux

00:16:00

passed system:gcc:tumbleweed:amd64 #2041512
amd64 linux

00:11:22

 
  Docs
passed docs #2041522
amd64 linux

00:00:46

 
  Postcheck
passed cppcheck #2041526
amd64 linux

00:00:24

passed flake8 #2041523
amd64 linux

00:00:22

skipped gcov #2041527
amd64 linux
passed pylint #2041524
amd64 linux

00:00:27

passed scan-build #2041525
amd64 linux

00:04:19

 
Name Stage Failure
failed
system:gcc:buster:amd64 System
No job log