Backport PR pandas-dev#25660: DOC: clean-up of 0.24.2 whatsnew file (pandas-dev#25683)

Author: meeseeksmachine

doc/source/whatsnew/v0.24.2.rst

@@ -18,7 +18,7 @@ including other versions of pandas.
 .. _whatsnew_0242.regressions:
 
 Fixed Regressions
-^^^^^^^^^^^^^^^^^
+~~~~~~~~~~~~~~~~~
 
 - Fixed regression in :meth:`DataFrame.all` and :meth:`DataFrame.any` where ``bool_only=True`` was ignored (:issue:`25101`)
 - Fixed issue in ``DataFrame`` construction with passing a mixed list of mixed types could segfault. (:issue:`25075`)
@@ -34,68 +34,26 @@ Fixed Regressions
 - Fixed pip installing from source into an environment without NumPy (:issue:`25193`)
 - Fixed regression in :meth:`DataFrame.to_csv` writing duplicate line endings with gzip compress (:issue:`25311`)
 
-.. _whatsnew_0242.enhancements:
-
-Enhancements
-^^^^^^^^^^^^
-
--
--
-
 .. _whatsnew_0242.bug_fixes:
 
 Bug Fixes
 ~~~~~~~~~
 
-**Conversion**
-
--
--
--
-
-**Indexing**
-
--
--
--
-
 **I/O**
 
 - Better handling of terminal printing when the terminal dimensions are not known (:issue:`25080`)
 - Bug in reading a HDF5 table-format ``DataFrame`` created in Python 2, in Python 3 (:issue:`24925`)
 - Bug in reading a JSON with ``orient='table'`` generated by :meth:`DataFrame.to_json` with ``index=False`` (:issue:`25170`)
 - Bug where float indexes could have misaligned values when printing (:issue:`25061`)
--
-
-**Categorical**
-
--
--
--
-
-**Timezones**
-
--
--
--
-
-**Timedelta**
-
--
--
--
 
 **Reshaping**
 
 - Bug in :meth:`~pandas.core.groupby.GroupBy.transform` where applying a function to a timezone aware column would return a timezone naive result (:issue:`24198`)
 - Bug in :func:`DataFrame.join` when joining on a timezone aware :class:`DatetimeIndex` (:issue:`23931`)
--
 
 **Visualization**
 
 - Bug in :meth:`Series.plot` where a secondary y axis could not be set to log scale (:issue:`25545`)
--
--
 
 **Other**