Fixed deprecationwarning due to vso.attrs

[abhijeetmanhas]

sunpy/net/tests/test_fido.py:268: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <[AttributeError("'Time' object has no attribute 'start'",) raised in repr()] Time object at 0x7f82cbd44240>
args = ('2011-06-07 06:33', '2011-06-07 06:33:08'), kwargs = {}, name = 'Time'

    def __init__(self, *args, **kwargs):
        name = type(self).__name__
        warnings.warn(f"sunpy.net.vso.attrs.{name} is deprecated, please use sunpy.net.attrs.{name}",
>                     SunpyDeprecationWarning)
E       sunpy.util.exceptions.SunpyDeprecationWarning: sunpy.net.vso.attrs.Time is deprecated, please use sunpy.net.attrs.Time

sunpy/net/vso/attrs.py:380: SunpyDeprecationWarning

This warning comes while running test_fido.py , removed it by replacing sunpy.net.vso.attrs by sunpy.net.attrs .

[abhijeetmanhas]

Does it even need a changelog?