Remove BAZEL

.travis.yml

BUILD.bazel

apps/bmp-streamer/BUILD.bazel

apps/bmp-streamer/client/BUILD.bazel

apps/bmp-streamer/pkg/apiserver/BUILD.bazel

apps/bmp-streamer/pkg/bmpstreamer/BUILD.bazel

apps/bmp-streamer/pkg/config/BUILD.bazel

config/BUILD.bazel

examples/bgp/BUILD.bazel

examples/bmp/BUILD.bazel

fuzzing/packet/BUILD.bazel

lib/grpchelper/BUILD.bazel

net/BUILD.bazel

net/api/BUILD.bazel

protocols/bgp/packet/BUILD.bazel

protocols/bgp/server/BUILD.bazel

protocols/bgp/types/BUILD.bazel

protocols/bmp/packet/BUILD.bazel

protocols/bmp/server/BUILD.bazel

protocols/isis/packet/BUILD.bazel