Remove note about 23.09 release

src/c++/perf_analyzer/docs/llm.md

@@ -28,15 +28,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 # Benchmarking LLM
 
-> **Note**
->
-> These benchmarks currently only work with Perf Analyzer built from the latest
-> `main` branch. See
-> [build from source instructions](install.md#build-from-source). If you are using
-> Perf Analyzer from the Triton SDK container (e.g.
-> `nvcr.io/nvidia/tritonserver:<xx.yy>-py3-sdk`), you **will need to wait until the
-> `23.09` container is released to perform the steps in this guide**.
-
 The following guide shows the reader how to use Triton
 [Perf Analyzer](https://github.com/triton-inference-server/client/tree/main/src/c%2B%2B/perf_analyzer)
 to measure and characterize the performance behaviors of Large Language Models