Revert "launcher: add webrtcbin datachannel tests to valgrind skip list"

This reverts commit 369c7494.

Fixes gstreamer/gst-plugins-bad#1383

Part-of: <gstreamer/gst-devtools!220>
36 jobs for valgrind-webrtc-datachannel-tests-again
Status Job ID Name Coverage
  Build Docker
passed #4271828
manual
alpine amd64 manifest builder docker

00:00:19

passed #4271827
manual
android docker

00:00:22

passed #4271826
manual
cerbero fedora amd64 docker

00:00:20

passed #4271825
manual
fedora amd64 docker

00:00:19

passed #4271829
manual
gst-indent amd64 docker

00:00:30

 
  Preparation
passed #4271831
gst indent

00:00:19

passed #4271830
manual
manifest

00:00:32

 
  Build
passed #4271840
gstreamer
build cerbero cross-android universal

00:08:37

passed #4271844
gst-ios-13.2
build cerbero cross-ios universal

00:19:16

passed #4271841
gstreamer
build cerbero cross win32

00:07:57

passed #4271842
gstreamer
build cerbero cross win64

00:05:09

passed #4271839
gstreamer
build cerbero fedora x86_64

00:04:45

passed #4271843
gst-macos-10.15
build cerbero macos x86_64

00:09:09

passed #4271835
build clang fedora x86_64

00:06:06

manual #4271838
1809 windows docker allowed to fail manual
build msys2
passed #4271832
build nodebug fedora x86_64

00:05:40

passed #4271833
build static fedora x86_64

00:04:56

passed #4271834
build static nodebug fedora x86_64

00:02:57

passed #4271836
1809 windows docker
build vs2017 amd64

00:07:14

passed #4271837
1809 windows docker
build vs2017 x86

00:07:24

 
  Test
passed #4271845
gstreamer
check fedora

00:06:33

passed #4271846
gstreamer
integration testsuites fedora 1/4

00:12:56

passed #4271847
gstreamer
integration testsuites fedora 2/4

00:13:31

passed #4271848
gstreamer
integration testsuites fedora 3/4

00:12:26

passed #4272645
gstreamer
integration testsuites fedora 4/4

00:17:33

passed #4271854
gstreamer
valgrind bad

00:04:19

passed #4271851
gstreamer
valgrind base

00:09:01

passed #4271850
gstreamer
valgrind core

00:11:09

passed #4271855
gstreamer
valgrind ges

00:11:44

passed #4271852
gstreamer
valgrind good

00:12:04

passed #4271853
gstreamer
valgrind ugly

00:02:48

failed #4271849
gstreamer
integration testsuites fedora 4/4

00:17:32

passed #4272202
gstreamer
integration testsuites fedora 4/4

00:17:29

 
  Integrate
passed #4271856
cross-android universal examples

00:10:05

passed #4271858
gst-ios-13.2
cross-ios universal examples

00:01:22

passed #4271857
documentation

00:13:50