Update workspace for new rule_pkg

* removes existing, unused python rules
* downloads rules_pkg and loads dependencies

WORKSPACE

@@ -15,15 +15,23 @@ http_archive(
 )
 
 # --start python--
-load("//wrksp:python_download.bzl", "python_download")
-
-python_download()
-
-load("//wrksp:python_deps.bzl", "python_deps")
-
-python_deps()
 # --end python--
 
+# Start rules_pkg (for pkg_tar in rules_resf/internal/container:container.bzl)
+http_archive(
+    name = "rules_pkg",
+    sha256 = "d20c951960ed77cb7b341c2a59488534e494d5ad1d30c4818c736d57772a9fef",
+    urls = [
+        "https://mirror.bazel.build/github.com/bazelbuild/rules_pkg/releases/download/1.0.1/rules_pkg-1.0.1.tar.gz",
+        "https://github.com/bazelbuild/rules_pkg/releases/download/1.0.1/rules_pkg-1.0.1.tar.gz",
+    ],
+)
+
+load("@rules_pkg//:deps.bzl", "rules_pkg_dependencies")
+
+rules_pkg_dependencies()
+# End rules_pkg
+
 http_archive(
     name = "com_google_protobuf",
     sha256 = "d19643d265b978383352b3143f04c0641eea75a75235c111cc01a1350173180e",

wrksp/python_deps.bzl

@@ -1,4 +0,0 @@
-load("@rules_python//python:pip.bzl", "pip_repositories")
-
-def python_deps():
-    pip_repositories()

wrksp/python_download.bzl

@@ -1,8 +0,0 @@
-load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
-
-def python_download():
-    http_archive(
-        name = "rules_python",
-        url = "https://github.com/bazelbuild/rules_python/releases/download/0.2.0/rules_python-0.2.0.tar.gz",
-        sha256 = "778197e26c5fbeb07ac2a2c5ae405b30f6cb7ad1f5510ea6fdac03bded96cc6f",
-    )