Fix for nightly build failures for android

 - Remove unused variables.
Change-Id: I92b3a03e03517bedb26e60ad04b914359acf42f3
Signed-off-by: Mohammed Suhail Munshi <MohammedSuhail.Munshi@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/11337
Benchmark: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Jakub Sujak <jakub.sujak@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/tests/validation/CL/ScatterLayer.cpp b/tests/validation/CL/ScatterLayer.cpp
index 040ca41..66b71ef 100644
--- a/tests/validation/CL/ScatterLayer.cpp
+++ b/tests/validation/CL/ScatterLayer.cpp
@@ -33,13 +33,6 @@
 {
 namespace validation
 {
-namespace
-{
-constexpr AbsoluteTolerance<float>   tolerance_f32(0.001f);  /**< Tolerance value for comparing reference's output against implementation's output for 32-bit floating-point type */
-constexpr AbsoluteTolerance<float>   tolerance_f16(0.01f);   /**< Tolerance value for comparing reference's output against implementation's output for 16-bit floating-point type */
-constexpr AbsoluteTolerance<uint8_t> tolerance_qasymm8(1);   /**< Tolerance value for comparing reference's output against implementation's output for 8-bit asymmetric type */
-constexpr AbsoluteTolerance<int8_t>  tolerance_qasymm8_s(1); /**< Tolerance value for comparing reference's output against implementation's output for 8-bit signed asymmetric type */
-} // namespace
 
 template <typename T>
 using CLScatterLayerFixture = ScatterValidationFixture<CLTensor, CLAccessor, CLScatter, T>;