Removed redundant preprocessing

inference_utils.py

@@ -42,8 +42,7 @@ def preprocess_image(image_path):
         image_path, target_size=(IMG_SIZE, IMG_SIZE)
     )
     img_array = tf.keras.preprocessing.image.img_to_array(img)
-    # Use EfficientNet preprocessing ([-1, 1] scaling)
-    img_array = keras.applications.efficientnet.preprocess_input(img_array)
+    # Preprocessing will be done by the model's input layer
     return np.expand_dims(img_array, axis=0)