Indeed the golang-go.net-dev transitional package is now built by the golang-golang-x-net-dev source, so the old source can indeed be removed:
Removing packages from wily: golang-go.net-dev 0.0+git20150226.3d87fd6-1 in wily Comment: renamed to golang-golang-x-net-dev
Indeed the golang-go.net-dev transitional package is now built by the golang- golang- x-net-dev source, so the old source can indeed be removed:
Removing packages from wily: .3d87fd6- 1 in wily golang- x-net-dev
golang-go.net-dev 0.0+git20150226
Comment: renamed to golang-