MLECO-3254 Default to using only one file per UC


Signed-off-by: Eanna O Cathain <eanna.ocathain@arm.com>
Change-Id: I4a1cd2b5746cb479ae0d81ed973961cec2f3046e
diff --git a/source/use_case/noise_reduction/usecase.cmake b/source/use_case/noise_reduction/usecase.cmake
index 199f8e1..a3f7930 100644
--- a/source/use_case/noise_reduction/usecase.cmake
+++ b/source/use_case/noise_reduction/usecase.cmake
@@ -31,9 +31,7 @@
     ${DEFAULT_MODEL_PATH}
     FILEPATH)
 
-USER_OPTION(${use_case}_FILE_PATH "Directory with custom WAV input files, or path to a single WAV file, to use in the evaluation application."
-    ${CMAKE_CURRENT_SOURCE_DIR}/resources/${use_case}/samples/
-    PATH_OR_FILE)
+set_input_file_path_user_option(".wav" ${use_case})
 
 USER_OPTION(${use_case}_AUDIO_RATE "Specify the target sampling rate. Default is 48000."
     48000