Revert "[API Compatibility] Add paddle.Tensor.clip_"

This reverts commit 025efc3.

Author: AlAuAu

python/paddle/tensor/__init__.py

@@ -515,7 +515,6 @@
 greater = gt
 sub = subtract
 sub_ = subtract_
-clamp_ = clip_
 
 # this list used in math_op_patch.py for _binary_creator_
 tensor_method_func = [
@@ -948,7 +947,6 @@
     'gt',
     'greater',
     'clamp',
-    'clamp_',
 ]
 
 

test/legacy_test/test_clip_op.py

@@ -1033,37 +1033,5 @@ def test_static_compatibility(self):
                         np.testing.assert_array_equal(self.np_out, fetches[0])
 
 
-class TestClamp_AndClip_(unittest.TestCase):
-    def setUp(self) -> None:
-        paddle.disable_static()
-        self.shape = [3, 4, 5]
-        self.input_np = np.random.random(self.shape).astype('float32')
-        self.a = np.random.random(self.shape).astype('float32')
-        self.b = np.random.random(self.shape).astype('float32')
-        self.min, self.max = -0.5, 0.5
-
-    def test_clip_and_clamp(self):
-        clip_a = paddle.to_tensor(self.a, stop_gradient=False)
-        clip_b = paddle.to_tensor(self.b, stop_gradient=False)
-
-        clamp_a = paddle.to_tensor(self.a, stop_gradient=False)
-        clamp_b = paddle.to_tensor(self.b, stop_gradient=False)
-
-        clip_x = clip_a + clip_b
-        clip_x.clip_(min=self.min, max=self.max)
-        clip_x.retain_grads()
-        clip_x.mean().backward()
-
-        clamp_x = clamp_a + clamp_b
-        clamp_x.clamp_(min=self.min, max=self.max)
-        clamp_x.retain_grads()
-        clamp_x.mean().backward()
-
-        np.testing.assert_allclose(clip_x.numpy(), clamp_x.numpy(), rtol=1e-20)
-        np.testing.assert_allclose(
-            clip_x.grad.numpy(), clamp_x.grad.numpy(), rtol=1e-20
-        )
-
-
 if __name__ == '__main__':
     unittest.main()