Remove unnecessary asserts from op_sigmoid and op_log

Signed-off-by: Erik Lundell <[email protected]>
Change-Id: I35e1de914f650f4e005e81f584033385179906a2

Author: Erik-Lundell

backends/arm/operators/op_log.py

@@ -36,7 +36,6 @@ def define_node(
         output: TosaArg,
     ) -> None:
         assert len(node.all_input_nodes) == 1
-        assert len(node.users) == 1
         assert inputs[0].dtype == output.dtype == ts.DType.FP32
 
         tosa_graph.addOperator(TosaOp.Op().LOG, [inputs[0].name], [output.name])

backends/arm/operators/op_sigmoid.py

@@ -37,7 +37,6 @@ def define_node(
     ) -> None:
 
         assert len(node.all_input_nodes) == 1
-        assert len(node.users) == 1
         assert inputs[0].dtype == output.dtype == ts.DType.FP32
 
         tosa_graph.addOperator(TosaOp.Op().SIGMOID, [inputs[0].name], [output.name])