remove leftover references

Author: aignas

python/private/pypi/whl_installer/BUILD.bazel

@@ -5,7 +5,6 @@ py_library(
     name = "lib",
     srcs = [
         "arguments.py",
-        "namespace_pkgs.py",
         "platform.py",
         "wheel.py",
         "wheel_installer.py",

python/private/pypi/whl_library.bzl

@@ -581,7 +581,6 @@ attr makes `extra_pip_args` and `download_only` ignored.""",
             Label("//python/private/pypi/whl_installer:wheel.py"),
             Label("//python/private/pypi/whl_installer:wheel_installer.py"),
             Label("//python/private/pypi/whl_installer:arguments.py"),
-            Label("//python/private/pypi/whl_installer:namespace_pkgs.py"),
         ] + record_files.values(),
     ),
     "_rule_name": attr.string(default = "whl_library"),