clean up flatbuffers import

Author: neil-tan

utensor_cgen/transformer/tflite_exporter.py

@@ -9,10 +9,8 @@
 from copy import deepcopy
 
 from utensor_cgen.ir import OperationInfo, uTensorGraph
-#import flatbuffers
 import utensor_cgen.third_party.flatbuffers as flatbuffers
 import utensor_cgen.third_party.tflite as tflite
-from utensor_cgen.third_party.tflite import *
 from utensor_cgen.third_party.tflite.BuiltinOperator import BuiltinOperator
 from utensor_cgen.third_party.tflite.BuiltinOptions import BuiltinOptions
 from utensor_cgen.third_party.tflite.ActivationFunctionType import ActivationFunctionType