Remove SDK as beta from docs (#351)

[ROCm/rocprofiler-sdk commit: 780b96ad3a]

projects/rocprofiler-sdk/source/docs/index.rst

@@ -17,8 +17,6 @@ You can utilize the ROCprofiler-SDK to develop a tool for profiling and tracing
 
 The code is open and hosted at `<https://github.com/ROCm/rocprofiler-sdk>`_.
 
-.. note::
-  ROCprofiler-SDK is in beta and subject to change in future releases.
 
 The documentation is structured as follows: