Test Del paddle_bfloat (#55904)

* Test Del paddle_bfloat

* Del paddle_bfloat test

python/requirements.txt

@@ -5,5 +5,4 @@ protobuf>=3.1.0, <=3.20.2 ; platform_system == "Windows"
 Pillow
 decorator
 astor
-paddle_bfloat==0.1.7 ; platform_machine != "aarch64"
 opt_einsum==3.3.0

test/legacy_test/test_collective_api_base.py

@@ -92,7 +92,6 @@ def create_test_data(shape=None, dtype=None, seed=None):
         return create_float_test_data(shape=shape, dtype=dtype, seed=seed)
     elif dtype == "bfloat16":
         return create_bfloat16_test_data(shape=shape, seed=seed)
-        # since numpy does not support bfloat16 yet, use `paddle_bfloat` to replace
         # return create_float_test_data(shape=shape, dtype=bfloat16, seed=seed)
     elif dtype == "bool":
         return create_bool_test_data(shape=shape, seed=seed)

test/legacy_test/test_python_bf16_numpy_datatype.py

-# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import unittest
-
-import numpy as np
-from paddle_bfloat import bfloat16
-
-
-class TestBF16DataType(unittest.TestCase):
-    def test_matmul(self):
-        a_bf16 = np.random.random((6, 7)).astype(bfloat16)
-        b_bf16 = np.random.random((7, 8)).astype(bfloat16)
-        c_bf16 = np.matmul(a_bf16, b_bf16)
-
-        a_fp32 = a_bf16.astype(np.float32)
-        b_fp32 = b_bf16.astype(np.float32)
-        c_fp32 = np.matmul(a_fp32, b_fp32)
-
-        np.testing.assert_allclose(c_bf16, c_fp32, rtol=1e-05)
-
-
-if __name__ == "__main__":
-    unittest.main()