COMPMID-832: Clean up tests.

Removes QS8 and QS16 tests from benchmarks.

Change-Id: Idf82d33159b2066d50ac2d454140938e43160779
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/116626
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/tests/benchmark/NEON/DepthConcatenateLayer.cpp b/tests/benchmark/NEON/DepthConcatenateLayer.cpp
index 129dc60..04c0bff 100644
--- a/tests/benchmark/NEON/DepthConcatenateLayer.cpp
+++ b/tests/benchmark/NEON/DepthConcatenateLayer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2018 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -41,7 +41,7 @@
 {
 namespace
 {
-const auto data_types = framework::dataset::make("DataType", { DataType::QS8, DataType::QS16, DataType::F16, DataType::F32 });
+const auto data_types = framework::dataset::make("DataType", { DataType::F16, DataType::F32 });
 } // namespace
 
 using NEDepthConcatenateLayerFixture = DepthConcatenateLayerFixture<Tensor, ITensor, NEDepthConcatenateLayer, Accessor>;