DOC: use standard docstring mechanism

Author: toobaz

pandas/core/series.py

@@ -3763,6 +3763,7 @@ def from_csv(cls, path, sep=',', parse_dates=True, header=None,
 
         return result
 
+    @Appender(generic.NDFrame.to_csv.__doc__)
     def to_csv(self, *args, **kwargs):
         warning_klass = FutureWarning
         stack_level = 2
@@ -3821,10 +3822,6 @@ def to_csv(self, *args, **kwargs):
             kwargs["header"] = False  # Backwards compatibility.
         return self.to_frame().to_csv(**kwargs)
 
-    # This entire method is going to be removed, so the shared docstring
-    # mechanism is overkill
-    to_csv.__doc__ = generic.NDFrame.to_csv.__doc__
-
     @Appender(generic._shared_docs['to_excel'] % _shared_doc_kwargs)
     def to_excel(self, excel_writer, sheet_name='Sheet1', na_rep='',
                  float_format=None, columns=None, header=True, index=True,