[bazel] Drop WORKSPACE support

.github/workflows/ci.yml

@@ -735,32 +735,6 @@ jobs:
     - name: run tests
       run: ./ci/do_ci.sh bazel.test
 
-  bazel_no_bzlmod_test:
-    name: Bazel without bzlmod
-    runs-on: ubuntu-latest
-    steps:
-    - name: Harden the runner (Audit all outbound calls)
-      uses: step-security/harden-runner@f4a75cfd619ee5ce8d5b864b0d183aff3c69b55a # v2.13.1
-      with:
-        egress-policy: audit
-
-    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
-      with:
-        submodules: 'recursive'
-    - name: Mount Bazel Cache
-      uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
-      env:
-        cache-name: bazel_cache
-      with:
-        path: /home/runner/.cache/bazel
-        key: bazel_test
-    - name: setup
-      run: |
-        sudo ./ci/setup_ci_environment.sh
-        sudo ./ci/install_bazelisk.sh
-    - name: run tests
-      run: ./ci/do_ci.sh bazel.no_bzlmod.test
-
   bazel_test_async:
     name: Bazel with async export
     runs-on: ubuntu-latest

INSTALL.md

@@ -336,38 +336,10 @@ Bazel](https://docs.bazel.build/versions/3.7.0/install.html) guide.
 
 ### Incorporating into an existing Bazel Project
 
-- WORKSPACE file:
-
-```console
-http_archive(
-    name = "io_opentelemetry_cpp",
-    sha256 = "<sha256>",
-    strip_prefix = "opentelemetry-cpp-1.0.1",
-    urls = [
-        "https://github.com/open-telemetry/opentelemetry-cpp/archive/refs/tags/v1.0.1.tar.gz"
-    ],
-)
-
-# Load OpenTelemetry dependencies after load.
-load("@io_opentelemetry_cpp//bazel:repository.bzl", "opentelemetry_cpp_deps")
-
-opentelemetry_cpp_deps()
-
-# (required after v1.8.0) Load extra dependencies required for OpenTelemetry
-load("@io_opentelemetry_cpp//bazel:extra_deps.bzl", "opentelemetry_extra_deps")
-
-opentelemetry_extra_deps()
-
-# Load gRPC dependencies after load.
-load("@com_github_grpc_grpc//bazel:grpc_deps.bzl", "grpc_deps")
-
-grpc_deps()
-
-# Load extra gRPC dependencies due to https://github.com/grpc/grpc/issues/20511
-load("@com_github_grpc_grpc//bazel:grpc_extra_deps.bzl", "grpc_extra_deps")
-
-grpc_extra_deps()
+- MODULE.bazel file:
 
+```bzl
+bazel_dep(name = "opentelemetry-cpp", version = "<VERSION>", repo_name = "io_opentelemetry_cpp")
 ```
 
 - Component level BUILD file:

ci/do_ci.sh

@@ -545,13 +545,6 @@ EOF
   make load_plugin_example
   examples/plugin/load/load_plugin_example ${PLUGIN_DIR}/libexample_plugin.so /dev/null
   exit 0
-elif [[ "$1" == "bazel.no_bzlmod.test" ]]; then
-  # Rapidyaml 0.9.0 as is does not support bazel,
-  # modules in bazel central repository required
-  # to build configuration.
-  bazel $BAZEL_STARTUP_OPTIONS build --enable_bzlmod=false $BAZEL_OPTIONS -- //... -//examples/configuration/... -//sdk/src/configuration/... -//sdk/test/configuration/...
-  bazel $BAZEL_STARTUP_OPTIONS test --enable_bzlmod=false $BAZEL_TEST_OPTIONS -- //... -//examples/configuration/... -//sdk/src/configuration/... -//sdk/test/configuration/...
-  exit 0
 elif [[ "$1" == "bazel.test" ]]; then
   bazel $BAZEL_STARTUP_OPTIONS build $BAZEL_OPTIONS $BAZEL_WITH_PREVIEW //...
   bazel $BAZEL_STARTUP_OPTIONS test $BAZEL_TEST_OPTIONS $BAZEL_WITH_PREVIEW //...