COMPMID-1652 NEON Remove unnecessary configuration tests

Change-Id: Iba0739450c144dde141de1f2a3864cecc93c8266
Reviewed-on: https://review.mlplatform.org/527
Reviewed-by: Isabella Gottardi <isabella.gottardi@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/tests/validation/NEON/ActivationLayer.cpp b/tests/validation/NEON/ActivationLayer.cpp
index 589b53f..ce89e6c 100644
--- a/tests/validation/NEON/ActivationLayer.cpp
+++ b/tests/validation/NEON/ActivationLayer.cpp
@@ -113,7 +113,7 @@
 TEST_SUITE(NEON)
 TEST_SUITE(ActivationLayer)
 
-DATA_TEST_CASE(Configuration, framework::DatasetMode::ALL, combine(combine(concat(datasets::SmallShapes(), datasets::LargeShapes()), CNNDataTypes), framework::dataset::make("InPlace", { false, true })),
+DATA_TEST_CASE(Configuration, framework::DatasetMode::ALL, combine(combine(datasets::SmallShapes(), CNNDataTypes), framework::dataset::make("InPlace", { false, true })),
                shape, data_type, in_place)
 {
     // Create tensors