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/GEMMTranspose1xWFixture.h b/tests/validation/fixtures/GEMMTranspose1xWFixture.h
index 48fa55e..af2a3b2 100644
--- a/tests/validation/fixtures/GEMMTranspose1xWFixture.h
+++ b/tests/validation/fixtures/GEMMTranspose1xWFixture.h
@@ -43,7 +43,7 @@
 namespace validation
 {
 template <typename TensorType, typename AccessorType, typename FunctionType, typename T>
-class GEMMTranspose1xWValidationFixedPointFixture : public framework::Fixture
+class GEMMTranspose1xWValidationFixture : public framework::Fixture
 {
 public:
     template <typename...>
@@ -121,18 +121,6 @@
     SimpleTensor<T> _reference{};
     DataType        _data_type{};
 };
-
-template <typename TensorType, typename AccessorType, typename FunctionType, typename T>
-class GEMMTranspose1xWValidationFixture : public GEMMTranspose1xWValidationFixedPointFixture<TensorType, AccessorType, FunctionType, T>
-{
-public:
-    template <typename...>
-    void setup(size_t x, size_t y, DataType data_type)
-    {
-        GEMMTranspose1xWValidationFixedPointFixture<TensorType, AccessorType, FunctionType, T>::setup(x, y, data_type);
-    }
-};
-
 } // namespace validation
 } // namespace test
 } // namespace arm_compute