remove unwanted code

Author: ryanreh99

pandas/core/indexes/base.py

@@ -2874,10 +2874,6 @@ def _convert_scalar_indexer(self, key, kind=None):
 
             elif kind in ['loc'] and is_integer(key):
                 if not self.holds_integer():
-                    try:
-                        self._engine.get_loc(self._maybe_cast_indexer(key))
-                    except KeyError:
-                        return key
                     return self._invalid_indexer('label', key)
 
         return key