Remove support for non-bzlmod builds

Anyone still using WORKSPACE can continue to use the last release.

.github/workflows/create_archive_and_notes.sh

@@ -22,7 +22,6 @@ TAG=${GITHUB_REF_NAME}
 PREFIX="rules_jsonnet-${TAG}"
 ARCHIVE="rules_jsonnet-$TAG.tar.gz"
 git archive --format=tar --prefix=${PREFIX}/ ${TAG} | gzip > $ARCHIVE
-SHA=$(shasum -a 256 $ARCHIVE | awk '{print $1}')
 
 cat > release_notes.txt << EOF
 ## Setup
@@ -32,33 +31,4 @@ To use the Jsonnet rules, add the following to your \`MODULE.bazel\` file:
 \`\`\`starlark
 bazel_dep(name = "rules_jsonnet", version = "${TAG}")
 \`\`\`
-
-If you are using an older version of Bazel that does not support Bzlmod,
-add the following to your \`WORKSPACE\` file to add the external
-repositories for Jsonnet:
-
-\`\`\`starlark
-load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
-
-http_archive(
-    name = "io_bazel_rules_jsonnet",
-    sha256 = "${SHA}",
-    strip_prefix = "${PREFIX}",
-    urls = ["https://github.com/bazelbuild/rules_jsonnet/releases/download/${TAG}/rules_jsonnet-${TAG}.tar.gz",
-)
-
-load("@io_bazel_rules_jsonnet//jsonnet:jsonnet.bzl", "jsonnet_repositories")
-
-jsonnet_repositories()
-
-load("@google_jsonnet_go//bazel:repositories.bzl", "jsonnet_go_repositories")
-
-jsonnet_go_repositories()
-
-load("@google_jsonnet_go//bazel:deps.bzl", "jsonnet_go_dependencies")
-
-jsonnet_go_dependencies()
-
-register_toolchains("@io_bazel_rules_jsonnet//jsonnet:go_jsonnet_toolchain")
-\`\`\`
 EOF

README.md

@@ -35,14 +35,11 @@ C++](https://github.com/google/jsonnet) or
 [Rust](https://github.com/CertainLach/jrsonnet) compiler of Jsonnet instead,
 register a different compiler:
 
-| Jsonnet compiler | MODULE.bazel directive            | WORKSPACE directive                                                              |
-| ---------------- | --------------------------------- | -------------------------------------------------------------------------------- |
-| Go               | `jsonnet.compiler(name = "go")`   | `register_toolchains("@io_bazel_rules_jsonnet//jsonnet:go_jsonnet_toolchain")`   |
-| cpp              | `jsonnet.compiler(name = "cpp")`  | `register_toolchains("@io_bazel_rules_jsonnet//jsonnet:cpp_jsonnet_toolchain")`  |
-| Rust             | `jsonnet.compiler(name = "rust")` | `register_toolchains("@io_bazel_rules_jsonnet//jsonnet:rust_jsonnet_toolchain")` |
-
-Note that `WORKSPACE` users must register a toolchain manually, using the table
-above as reference.
+| Jsonnet compiler | MODULE.bazel directive            |
+| ---------------- | --------------------------------- |
+| Go               | `jsonnet.compiler(name = "go")`   |
+| cpp              | `jsonnet.compiler(name = "cpp")`  |
+| Rust             | `jsonnet.compiler(name = "rust")` |
 
 ### Rust Jsonnet Compiler
 

jsonnet/jsonnet.bzl

@@ -13,7 +13,6 @@
 # limitations under the License.
 load("@bazel_skylib//lib:paths.bzl", "paths")
 load("@bazel_skylib//lib:shell.bzl", "shell")
-load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 _JSONNET_FILETYPE = [
     ".jsonnet",
@@ -873,21 +872,3 @@ Example:
   To run the test: `bazel test //config:invalid_config_test`
 """,
 )
-
-def jsonnet_repositories():
-    """Adds the external dependencies needed for the Jsonnet rules."""
-    http_archive(
-        name = "jsonnet",
-        sha256 = "85c240c4740f0c788c4d49f9c9c0942f5a2d1c2ae58b2c71068107bc80a3ced4",
-        strip_prefix = "jsonnet-0.18.0",
-        urls = [
-            "https://github.com/google/jsonnet/archive/v0.18.0.tar.gz",
-        ],
-    )
-
-    http_archive(
-        name = "google_jsonnet_go",
-        sha256 = "20fdb3599c2325fb11a63860e7580705590faf732abf47ed144203715bd03a70",
-        strip_prefix = "go-jsonnet-0d78479d37eabd9451892dd02be2470145b4d4fa",
-        urls = ["https://github.com/google/go-jsonnet/archive/0d78479d37eabd9451892dd02be2470145b4d4fa.tar.gz"],
-    )