Remove mentions of removed bazel setting

.github/workflows/ci.yml

@@ -553,27 +553,6 @@ jobs:
     - name: run tests
       run: ./ci/do_ci.sh bazel.with_async_export.test
 
-  bazel_with_abseil:
-    name: Bazel with external abseil
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v4
-      with:
-        submodules: 'recursive'
-    - name: Mount Bazel Cache
-      uses: actions/cache@v4
-      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.with_abseil
-
   bazel_valgrind:
     name: Bazel valgrind
     runs-on: ubuntu-latest

ci/do_ci.sh

@@ -416,10 +416,6 @@ elif [[ "$1" == "cmake.install.test" ]]; then
   make -j $(nproc)
   sudo make install
   exit 0
-elif [[ "$1" == "bazel.with_abseil" ]]; then
-  bazel $BAZEL_STARTUP_OPTIONS build $BAZEL_OPTIONS_ASYNC --//api:with_abseil=true //...
-  bazel $BAZEL_STARTUP_OPTIONS test $BAZEL_TEST_OPTIONS_ASYNC --//api:with_abseil=true //...
-  exit 0
 elif [[ "$1" == "cmake.test_example_plugin" ]]; then
   # Build the plugin
   cd "${BUILD_DIR}"

docs/dependencies.md

@@ -35,10 +35,7 @@ Both these dependencies are listed here:
       `OPENTELEMETRY_OPTION_USE_STD_SPAN=0` to indicate nostd:span will always
       not be a alias for std::span.
   - Uses Abseil C++ Library for `absl::variant` as default `nostd::variant` if
-    `WITH_ABSEIL` cmake option or
-    `--@io_opentelemetry_cpp//api:with_abseil=true` (aka
-    `--//api:with_abseil=true`) bazel option is enabled. License: `Apache
-    License 2.0`
+    `WITH_ABSEIL` cmake option (always enabled with bazel) License: `Apache License 2.0`
 
 - [OTLP/HTTP+JSON](/exporters/otlp)
   exporter:

examples/otlp/README.md

@@ -74,8 +74,7 @@ gRPC internally uses a different version of Abseil than OpenTelemetry C++ SDK.
 One option to optimize your code is to build the SDK with system-provided
 Abseil library. If you are using CMake, then `-DWITH_ABSEIL=ON` may be passed
 during the build of SDK to reuse the same Abseil library as gRPC. If you are
-using Bazel, then `--@io_opentelemetry_cpp/api:with_abseil=true` may be passed
-to reuse your Abseil library in your project.
+using Bazel, this happens by default.
 
 If you do not want to pursue the above option, and in case if you run into
 conflict between Abseil library and OpenTelemetry C++ `absl::variant`