remove unused InferenceTranspiler import

Author: luotao1

python/paddle/fluid/__init__.py

@@ -46,7 +46,7 @@
 from .param_attr import ParamAttr, WeightNormParamAttr
 from .data_feeder import DataFeeder
 from .core import LoDTensor, LoDTensorArray, CPUPlace, CUDAPlace, CUDAPinnedPlace, Scope
-from .transpiler import DistributeTranspiler, InferenceTranspiler, \
+from .transpiler import DistributeTranspiler, \
     memory_optimize, release_memory, DistributeTranspilerConfig
 from .lod_tensor import create_lod_tensor, create_random_int_lodtensor
 from . import clip

python/paddle/fluid/transpiler/__init__.py

@@ -15,7 +15,6 @@
 from __future__ import print_function
 
 from .distribute_transpiler import DistributeTranspiler, DistributeTranspilerConfig
-from .inference_transpiler import InferenceTranspiler
 from .memory_optimization_transpiler import memory_optimize, release_memory
 from .ps_dispatcher import HashName, RoundRobin