main/libuv: revert test for udp multicast join

This test is breaking on ppc64le and causes more issues:

https://github.com/libuv/libuv/issues/2468
https://github.com/clearlinux-pkgs/libuv/commit/a4cbe099b2a60d1598f35bcbf6641903c17ba7bf
7 jobs for !563 with main-libuv-test-revert-patch in 1 minute and 42 seconds (queued for 2 seconds)
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Status Job ID Name Coverage
  Lint
failed #5917
x86_64 docker-alpine allowed to fail
lint

00:00:20

 
  Build
passed #5922
aarch64 ci-build docker-alpine
build-aarch64

00:01:15

passed #5923
armv7 ci-build docker-alpine
build-armv7

00:01:20

passed #5921
ppc64le ci-build docker-alpine
build-ppc64le

00:01:20

passed #5920
s390x ci-build docker-alpine
build-s390x

00:01:12

passed #5919
x86 ci-build docker-alpine
build-x86

00:01:20

passed #5918
x86_64 ci-build docker-alpine
build-x86_64

00:01:18

 
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