Remove stale fig parameter from full_figure_for_development docstring

BaseFigure.full_figure_for_development(self, warn, as_dict) has no fig
parameter; the entry was carried over from the module-level
plotly.io.full_figure_for_development(fig, ...) function.

Author: eeshsaxena

plotly/basedatatypes.py

@@ -3462,9 +3462,6 @@ def full_figure_for_development(self, warn=True, as_dict=False):
 
         Parameters
         ----------
-        fig:
-            Figure object or dict representing a figure
-
         warn: bool
             If False, suppress warnings about not using this in production.