COMPMID-970 : Remove QS8 / QS16 support

Removed Fixed point position arguments from test sources

Change-Id: I8343724723b71611fd501ed34de0866d3fb60e7e
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/136382
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele DiGiorgio <michele.digiorgio@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/tests/validation/CL/SYSTEM/AlexNet.cpp b/tests/validation/CL/SYSTEM/AlexNet.cpp
index 75f8d19..9be6f2c 100644
--- a/tests/validation/CL/SYSTEM/AlexNet.cpp
+++ b/tests/validation/CL/SYSTEM/AlexNet.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2018 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -79,7 +79,7 @@
                                             "cnn_data/alexnet_model/fc8_b.npy"
                                           };
     CLAlexNetModel network{};
-    network.init(dt, 4, batches);
+    network.init(dt, batches);
     network.build();
     network.allocate();
     network.fill(weight_files, bias_files);