Remove limitation block for angle, real, round functions

Author: antonwolfy

dpnp/dpnp_iface_mathematical.py

@@ -509,12 +509,6 @@ def _process_ediff1d_args(arg, arg_name, ary_dtype, ary_sycl_queue, usm_type):
 -----
 Although the angle of the complex number 0 is undefined, `dpnp.angle(0)` returns the value 0.
 
-Limitations
------------
-Parameters `where' and `subok` are supported with their default values.
-Keyword argument `kwargs` is currently unsupported.
-Otherwise ``NotImplementedError`` exception will be raised.
-
 See Also
 --------
 :obj:`dpnp.arctan2` : Element-wise arc tangent of `x1/x2` choosing the quadrant correctly.
@@ -3347,12 +3341,6 @@ def prod(
     data type, the returned array has a floating-point data type
     with the same floating-point precision as complex input.
 
-Limitations
------------
-Parameters `where' and `subok` are supported with their default values.
-Keyword argument `kwargs` is currently unsupported.
-Otherwise ``NotImplementedError`` exception will be raised.
-
 See Also
 --------
 :obj:`dpnp.real_if_close` : Return the real part of the input is complex
@@ -3611,12 +3599,6 @@ def real_if_close(a, tol=100):
 out : dpnp.ndarray
     An array containing the element-wise rounded values.
 
-Limitations
------------
-Parameters `where' and `subok` are supported with their default values.
-Keyword argument `kwargs` is currently unsupported.
-Otherwise ``NotImplementedError`` exception will be raised.
-
 See Also
 --------
 :obj:`dpnp.around` : Equivalent function; see for details.