MLECO-3077: Add ASR use case API

* Minor adjustments to doc strings in KWS
* Remove unused score threshold in KWS

Signed-off-by: Richard Burton <richard.burton@arm.com>
Change-Id: Ie1c5bf6f7bdbebb853b6a10cb7ba1c4a1d9a76c9
diff --git a/source/use_case/asr/include/AsrResult.hpp b/source/use_case/asr/include/AsrResult.hpp
index b12ed7d..ed826d0 100644
--- a/source/use_case/asr/include/AsrResult.hpp
+++ b/source/use_case/asr/include/AsrResult.hpp
@@ -25,7 +25,7 @@
 namespace app {
 namespace asr {
 
-    using ResultVec = std::vector < arm::app::ClassificationResult >;
+    using ResultVec = std::vector<arm::app::ClassificationResult>;
 
     /* Structure for holding ASR result. */
     class AsrResult {