COMPMID-970 : Remove QS8 / QS16 support

Removed fixed point related code.

Change-Id: I487acf138dace3b0450e0d72ca7071eaec254566
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/137678
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/src/core/GLES_COMPUTE/kernels/GCBatchNormalizationLayerKernel.cpp b/src/core/GLES_COMPUTE/kernels/GCBatchNormalizationLayerKernel.cpp
index 9a592df..c745f3f 100644
--- a/src/core/GLES_COMPUTE/kernels/GCBatchNormalizationLayerKernel.cpp
+++ b/src/core/GLES_COMPUTE/kernels/GCBatchNormalizationLayerKernel.cpp
@@ -48,27 +48,23 @@
     ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F16, DataType::F32);
 
     ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, mean, var);
-    ARM_COMPUTE_ERROR_ON_MISMATCHING_FIXED_POINT(input, mean, var);
     ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(mean, var);
 
     if(output->total_size() != 0)
     {
         ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input, output);
         ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
-        ARM_COMPUTE_ERROR_ON_MISMATCHING_FIXED_POINT(input, output);
     }
 
     if(beta != nullptr)
     {
         ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(mean, beta);
         ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, beta);
-        ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_FIXED_POINT(input, beta);
     }
     if(gamma != nullptr)
     {
         ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(mean, gamma);
         ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, gamma);
-        ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_FIXED_POINT(input, gamma);
     }
     if(act_info.enabled())
     {
@@ -86,7 +82,7 @@
                                                         ITensorInfo *beta, ITensorInfo *gamma)
 {
     // Output tensor auto initialization if not yet initialized
-    auto_init_if_empty(*output, input->tensor_shape(), 1, input->data_type(), input->fixed_point_position());
+    auto_init_if_empty(*output, input->tensor_shape(), 1, input->data_type());
 
     unsigned int num_elems_processed_per_iteration = 1;
     if(input->data_type() == DataType::F16)