1. Remove fluid
2. Remove unused codes
2.1 remove adabert
2.2 remove ddpg controller of NAS
2.3 remove paddleslim.models
2.4 Remove PC-DARTS

* support fc in pruning

* support matmul and matmul_v2 pruning

* support ffn pruning with gelu activations in the middle

* support reshape2, transpose and split in transformer block

* support pattern: qkv gemm -> batched gemm -> out linear

* prune all fc layer

* support fc pruning

* almost done with few hardcode

* remove hardcode

* fix UT

* fix UT

* avoid setting attributes for reshape in fc pruning

* fix UT

* fix UT

* [Fluid Clean] remove paddle.fluid.dygraph.nn.conv2D

* remove layers_old in ofa

* Upgrade ImageNet Demo

* Upgrade ImageNet Demo

* Upgrade ImageNet Demo

* Change Tokenizer in HuggingFace Demo

* Change Tokenizer in HuggingFace Demo

* Change Tokenizer in HuggingFace Demo

* Change Tokenizer in HuggingFace Demo

* Change Tokenizer in HuggingFace Demo

* Change Tokenizer in HuggingFace Demo

* Update Some Demos & Add Infer for ImageNet Demo

* Update Some Demos & Add Infer for ImageNet Demo

* Update Some Demos & Add Infer for ImageNet Demo

* Update Some Demos & Add Infer for ImageNet Demo

* Fix config and wrapper of dataloader

* Fix wrapper of dataloader
1. Skip wrapper when input is format like [{'x': data1, 'y': data2}]
2. Fix scripts in nlp demo of ACT

1. Make config of ACT support path, set, list and tuple
2. Refine the implementation of loading config
3. Add wrapper for dataloader to return data in dict format