Remove IR optimization in move_relu_before_concat.py

Author: roman-janik-nxp

backends/nxp/backend/ir/tflite_optimizer/optimizations/move_relu_before_concat.py

@@ -11,9 +11,6 @@
 
 from executorch.backends.nxp.backend.ir import logger
 from executorch.backends.nxp.backend.ir.conversion_config import ConversionConfig
-from executorch.backends.nxp.backend.ir.tflite_optimizer.optimizations.move_relu_before_concat import (
-    MoveActivationBeforeConcatenation,
-)
 from executorch.backends.nxp.backend.ir.tflite_optimizer.optimizations.permute_fully_connected_weights_after_reshape import (
     PermuteFullyConnectedWeightsAfterReshape,
 )
@@ -29,8 +26,6 @@ class Optimization(Enum):
 
     PERMUTE_FULLY_CONNECTED_WEIGHTS_AFTER_RESHAPE = 12
 
-    MOVE_ACTIVATION_BEFORE_CONCAT = 15
-
 
 class Optimizer:
     """
@@ -68,9 +63,6 @@ def __init__(
             Optimization.PERMUTE_FULLY_CONNECTED_WEIGHTS_AFTER_RESHAPE: PermuteFullyConnectedWeightsAfterReshape(
                 builder, conversion_config
             ),
-            Optimization.MOVE_ACTIVATION_BEFORE_CONCAT: MoveActivationBeforeConcatenation(
-                builder, conversion_config
-            ),
         }
 
     def optimize(