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/GEMM.cpp b/tests/benchmark/NEON/GEMM.cpp
index 9c4cd59..1d6ea8d 100644
--- a/tests/benchmark/NEON/GEMM.cpp
+++ b/tests/benchmark/NEON/GEMM.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2018 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -46,8 +46,7 @@
 #if __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
     DataType::F16,
 #endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */
-    DataType::F32,
-    DataType::QS8
+    DataType::F32
 });
 } // namespace