get rid of unnecessary rules_docker

WORKSPACE

@@ -7,13 +7,6 @@ http_archive(
     url = "https://github.com/bazelbuild/rules_python/archive/refs/tags/0.8.0.tar.gz",
 )
 
-http_archive(
-    name = "io_bazel_rules_docker",
-    sha256 = "85ffff62a4c22a74dbd98d05da6cf40f497344b3dbf1e1ab0a37ab2a1a6ca014",
-    strip_prefix = "rules_docker-0.23.0",
-    urls = ["https://github.com/bazelbuild/rules_docker/releases/download/v0.23.0/rules_docker-v0.23.0.tar.gz"],
-)
-
 load("@rules_python//python:pip.bzl", "pip_install")
 
 pip_install(