Cleanup

protocols/bgp/packet/BUILD.bazel

protocols/bgp/packet/bgp.go

protocols/bgp/packet/path_attributes.go

protocols/bgp/packet/update.go

protocols/bgp/server/BUILD.bazel

protocols/bgp/server/fsm_established.go

protocols/bgp/server/update_helper.go

protocols/bgp/server/update_sender.go

protocols/bgp/types/BUILD.bazel

protocols/bgp/types/as_path.go

protocols/bgp/types/community.go

protocols/bgp/types/community_test.go

protocols/bgp/types/large_community.go

protocols/bgp/types/large_community_benchmark_test.go

protocols/bgp/types/large_community_test.go

protocols/bgp/types/unknown_attribute.go

protocols/bgp/types/unknown_attrinute_test.go

route/BUILD.bazel

route/bgp_path.go

route/bgp_path_test.go