Set the version by properties value in dependency management. (#2362)
Set the version by properties value in dependency management. (#2362)

Remove the version setting in dependencies.
Remove the scala compiler version property.
apache/skywalking,apache/skywalking,ascrutae/sky-walking,apache/skywalking,OpenSkywalking/skywalking,ascrutae/sky-walking,apache/skywalking,apache/skywalking,apache/skywalking,ascrutae/sky-walking,ascrutae/sky-walking,apache/skywalking,OpenSkywalking/skywalking