DOC: remove reference to get_value (removed) in DataFrame.lookup docstring (#29925)

Author: jorisvandenbossche

doc/source/user_guide/indexing.rst

@@ -374,7 +374,7 @@ For getting values with a boolean array:
    df1.loc['a'] > 0
    df1.loc[:, df1.loc['a'] > 0]
 
-For getting a value explicitly (equivalent to deprecated ``df.get_value('a','A')``):
+For getting a value explicitly:
 
 .. ipython:: python
 

pandas/core/frame.py

@@ -3544,13 +3544,6 @@ def lookup(self, row_labels, col_labels):
         -------
         numpy.ndarray
 
-        Notes
-        -----
-        Akin to::
-
-            result = [df.get_value(row, col)
-                      for row, col in zip(row_labels, col_labels)]
-
         Examples
         --------
         values : ndarray