workspace: remove duplicate rules_oci definition

It was was already migrated to bzlmod, this removes the duplicate
inside WORKSPACE


Change-Id: I77052d15aeceebd28dd6cc6b93118664d6e50a86
Reviewed-on: https://review.monogon.dev/c/monogon/+/2755
Tested-by: Jenkins CI
Reviewed-by: Serge Bazanski <serge@monogon.tech>
diff --git a/WORKSPACE b/WORKSPACE
index 38ceb80..e6c4345 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -316,40 +316,6 @@
 
 aspect_bazel_lib_register_toolchains()
 
-http_archive(
-    name = "rules_oci",
-    sha256 = "58b7a175ee90c12583afeca388523adf6a4e5a0528f330b41c302b91a4d6fc06",
-    strip_prefix = "rules_oci-1.6.0",
-    url = "https://github.com/bazel-contrib/rules_oci/releases/download/v1.6.0/rules_oci-v1.6.0.tar.gz",
-)
-
-load("@rules_oci//oci:dependencies.bzl", "rules_oci_dependencies")
-
-rules_oci_dependencies()
-
-load("@rules_oci//oci:repositories.bzl", "LATEST_CRANE_VERSION", "oci_register_toolchains")
-
-oci_register_toolchains(
-    name = "oci",
-    crane_version = LATEST_CRANE_VERSION,
-    # Uncommenting the zot toolchain will cause it to be used instead of crane for some tasks.
-    # Note that it does not support docker-format images.
-    # zot_version = LATEST_ZOT_VERSION,
-)
-
-# You can pull your base images using oci_pull like this:
-load("@rules_oci//oci:pull.bzl", "oci_pull")
-
-oci_pull(
-    name = "distroless_base",
-    digest = "sha256:6c1e34e2f084fe6df17b8bceb1416f1e11af0fcdb1cef11ee4ac8ae127cb507c",
-    image = "gcr.io/distroless/base",
-    platforms = [
-        "linux/amd64",
-        "linux/arm64",
-    ],
-)
-
 # Derived from Mozilla NSS, currently needed for containerd to be able to pull images
 http_file(
     name = "cacerts",