Remove Bazel build (#94)

* Remove bazel build

Also updated the build badge to reflect internal build status.

python/BUILD

@@ -1,26 +0,0 @@
-# Top-level directory for python code in the domain registry project.
-#
-# Code within this directory should live under python/google/registry.
-#
-# For an example of another Google open-source Bazel-based project using a
-# top-level python directory in a similar way, see
-#   https://github.com/google/protobuf/tree/master/python
-
-package(default_visibility = ["//java/google/registry:registry_project"])
-
-licenses(["notice"])  # Apache 2.0
-
-# NOTE: All py_library() rules under this directory should depend on this rule.
-#
-# This rule serves to add this directory (/python) to the PYTHONPATH of any
-# python executable rules that transitively depend on this rule.  Adding this
-# directory ensures that imports for "google.registry.*" can be correctly
-# resolved to files that are under //python/google/registry.
-#
-# See also:
-#   - http://www.bazel.io/docs/be/python.html#py_library.imports
-#   - https://github.com/google/protobuf/blob/v3.0.0-beta-3/BUILD#L568
-py_library(
-    name = "python_directory_import",
-    imports = ["."],
-)

python/google/registry/scripts/BUILD

@@ -1,28 +0,0 @@
-package(default_visibility = ["//java/google/registry:registry_project"])
-
-licenses(["notice"])  # Apache 2.0
-
-py_binary(
-    name = "xml_to_index_yaml_translator",
-    srcs = ["xml_to_index_yaml_translator.py"],
-    python_version = "PY2",
-    deps = [":xml_to_index_yaml_translator_lib"],
-)
-
-py_library(
-    name = "xml_to_index_yaml_translator_lib",
-    srcs = ["xml_to_index_yaml_translator.py"],
-    deps = ["//python:python_directory_import"],
-)
-
-py_test(
-    name = "xml_to_index_yaml_translator_test",
-    size = "small",
-    srcs = ["xml_to_index_yaml_translator_test.py"],
-    data = [
-        "testdata/datastore-indexes.xml",
-        "testdata/index.yaml",
-    ],
-    python_version = "PY2",
-    deps = [":xml_to_index_yaml_translator_lib"],
-)