COMPMID-1188 Remove some FixedPoint leftovers from tests

Change-Id: I9e9b267ea58fd2339467af6f49ae76e9195cbc61
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/143682
Reviewed-by: Michele DiGiorgio <michele.digiorgio@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
diff --git a/tests/validation/fixtures/DequantizationLayerFixture.h b/tests/validation/fixtures/DequantizationLayerFixture.h
index 5855820..0bf3522 100644
--- a/tests/validation/fixtures/DequantizationLayerFixture.h
+++ b/tests/validation/fixtures/DequantizationLayerFixture.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2018 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -43,7 +43,7 @@
 namespace validation
 {
 template <typename TensorType, typename AccessorType, typename FunctionType, typename T>
-class DequantizationValidationFixedPointFixture : public framework::Fixture
+class DequantizationValidationFixture : public framework::Fixture
 {
 public:
     template <typename...>
@@ -164,17 +164,6 @@
     TensorType          _target{};
     SimpleTensor<float> _reference{};
 };
-
-template <typename TensorType, typename AccessorType, typename FunctionType, typename T>
-class DequantizationValidationFixture : public DequantizationValidationFixedPointFixture<TensorType, AccessorType, FunctionType, T>
-{
-public:
-    template <typename...>
-    void setup(TensorShape shape, DataType data_type)
-    {
-        DequantizationValidationFixedPointFixture<TensorType, AccessorType, FunctionType, T>::setup(shape, data_type);
-    }
-};
 } // namespace validation
 } // namespace test
 } // namespace arm_compute