Removed broken link from NDFrame#interpolate docs. (#45990)
Removed broken link from NDFrame#interpolate docs. (#45990)

* Removed broken link from NDFrame#interpolate docs.

The link at https://docs.scipy.org/doc/scipy/reference/tutorial/interpolate.html pointing to the SciPy Interpolation tutorial is broken. An alternative tutorial was not found in the new documentation.

* Fixed whitespace formatting.
datapythonista/pandas,pandas-dev/pandas,datapythonista/pandas,datapythonista/pandas,datapythonista/pandas,pandas-dev/pandas,pandas-dev/pandas,pandas-dev/pandas