IVGCVSW-7748 DTS: Fix default scale/offset issue

Signed-off-by: Ciara Sookarry <ciara.sookarry@arm.com>
Signed-off-by: Idriss Chaouch <idriss.chaouch@arm.com>
Change-Id: I21c8811d696d871d5c6b41df036c791ac4828ff4
diff --git a/delegate/classic/src/ClassicDelegateUtils.hpp b/delegate/classic/src/ClassicDelegateUtils.hpp
index 8d6f049..d378c6c 100644
--- a/delegate/classic/src/ClassicDelegateUtils.hpp
+++ b/delegate/classic/src/ClassicDelegateUtils.hpp
@@ -480,13 +480,6 @@
             ret.SetQuantizationOffset(affineQuantization->zero_point->data[0]);
         }
     }
-    else
-    {
-        auto quantizationParameters = tfLiteTensor.params;
-        ret.SetQuantizationScale(quantizationParameters.scale);
-        ret.SetQuantizationOffset(quantizationParameters.zero_point);
-    }
-
     return ret;
 }
 
diff --git a/delegate/opaque/src/OpaqueDelegateUtils.hpp b/delegate/opaque/src/OpaqueDelegateUtils.hpp
index 7c9f0c8..a636161 100644
--- a/delegate/opaque/src/OpaqueDelegateUtils.hpp
+++ b/delegate/opaque/src/OpaqueDelegateUtils.hpp
@@ -553,13 +553,6 @@
             ret.SetQuantizationOffset(affineQuantization->zero_point->data[0]);
         }
     }
-    else
-    {
-        auto quantizationParameters = TfLiteOpaqueTensorGetQuantizationParams(tfLiteTensor);
-        ret.SetQuantizationScale(quantizationParameters.scale);
-        ret.SetQuantizationOffset(quantizationParameters.zero_point);
-    }
-
     return ret;
 }