packagegroup-connectivity: No longer include wpantund

The wpantund package is only needed for scenarios where the OpenThread
device is operating in network co-processor (NCP) mode. We are not using
NCP, but radio co-processor (RCP instead). The later one works with
ot-br-posix out of the box and we have no need for wpantund, as of now.

Signed-off-by: Stefan Schmidt <stefan.schmidt@huawei.com>

meta-ohos-blueprints/recipes-core/packagegroups/packagegroup-connectivity.bbappend

@@ -9,7 +9,6 @@ PACKAGES_append = "\
 
 RDEPENDS_packagegroup-thread-br = "\
     ${@bb.utils.contains("DISTRO_FEATURES", "thread-border-router", "ot-br-posix", "", d)} \
-    ${@bb.utils.contains("DISTRO_FEATURES", "thread-border-router", "wpantund", "", d)} \
     hostapd \
     iptables \
     tayga \