MLBEDSW-3772 Reshape removal

-Removed reshapes in the original graph
-Removed the addition of reshapes to the
 optimized graph

-Reshapes with different ifm/ofm quantisation will remain

Signed-off-by: Patrik Gustavsson <patrik.gustavsson@arm.com>
Change-Id: I94862be53dac0d7434815e2aee5ca678228495f8
diff --git a/ethosu/vela/test/testutil.py b/ethosu/vela/test/testutil.py
index 96aeb7e..02e01a5 100644
--- a/ethosu/vela/test/testutil.py
+++ b/ethosu/vela/test/testutil.py
@@ -113,14 +113,15 @@
     return op
 
 
-def create_op(op_type, inputs, output, attrs=None):
+def create_op(op_type, inputs, output, attrs=None, set_ifm_ofm_shapes=True):
     op = Operation(op_type, output.name + "_op")
     for input in inputs:
         op.add_input_tensor(input)
     op.set_output_tensor(output)
     if attrs is not None:
         op.attrs = attrs
-    op.set_ifm_ofm_shapes()
+    if set_ifm_ofm_shapes:
+        op.set_ifm_ofm_shapes()
     return op