community/knot-resolver: do not depend on dns-root-hints

Instead rely on the root hints provided by knot-resolver itself.

See #11324 for the reasoning behind this.
7 jobs for !16035 with knot-resolver-no-dns-root-hints in 1 minute and 43 seconds (queued for 1 second)
latest detached
Status Job ID Name Coverage
  Lint
failed #276985
docker-alpine x86_64 allowed to fail
lint

00:00:19

 
  Build
passed #276990
docker-alpine ci-build aarch64
build-aarch64

00:01:20

passed #276991
docker-alpine ci-build armv7
build-armv7

00:00:34

passed #276989
docker-alpine ci-build ppc64le
build-ppc64le

00:00:54

passed #276988
docker-alpine ci-build s390x
build-s390x

00:01:24

passed #276987
docker-alpine ci-build x86
build-x86

00:00:22

passed #276986
docker-alpine ci-build x86_64
build-x86_64

00:01:15

 
Name Stage Failure
failed
lint Lint
No job log