Use rocprofiler-SDK for OMPT tracing (#702)

Switch to using SDK for OMPT tracing and remove older OMPT code path

projects/rocprofiler-systems/source/lib/core/config.cpp

@@ -1930,12 +1930,8 @@ get_use_vaapi_tracing()
 bool
 get_use_ompt()
 {
-#if defined(TIMEMORY_USE_OMPT)
     static auto _v = get_config()->find("ROCPROFSYS_USE_OMPT");
     return static_cast<tim::tsettings<bool>&>(*_v->second).get();
-#else
-    return false;
-#endif
 }
 
 bool