Remove release notes for 1.22.4 release

CHANGELOG.md

@@ -30,36 +30,6 @@ In this release 3 issues were closed.
 In this release 8 pull requests were closed.
 
 
-## Version 1.22.4 (2022/03/21)
-
-### Issues Closed
-
-* [Issue 425](https://github.com/pytroll/pyresample/issues/425) - Pyresample/geometry.py resampling error related to dask.
-* [Issue 416](https://github.com/pytroll/pyresample/issues/416) -  Unexpected results resampling Lambert Conformal to PlateCarree: pyresample or cartopy problem?
-
-In this release 2 issues were closed.
-
-### Pull Requests Merged
-
-#### Bugs fixed
-
-* [PR 426](https://github.com/pytroll/pyresample/pull/426) - Fix EWA resampling not ignoring fill values with maximum_weight_mode
-* [PR 424](https://github.com/pytroll/pyresample/pull/424) - Fix DynamicAreaDefinition resolution handling for incomplete projection definitions
-* [PR 421](https://github.com/pytroll/pyresample/pull/421) - Fix inplace modification occuring in Arc.intersections
-* [PR 414](https://github.com/pytroll/pyresample/pull/414) - Fix gradient search for single band data
-
-#### Features added
-
-* [PR 415](https://github.com/pytroll/pyresample/pull/415) - Update AreaDefinition equality to use pyproj CRS
-* [PR 406](https://github.com/pytroll/pyresample/pull/406) - Change tested Python versions to 3.8, 3.9 and 3.10
-
-#### Backward incompatible changes
-
-* [PR 415](https://github.com/pytroll/pyresample/pull/415) - Update AreaDefinition equality to use pyproj CRS
-
-In this release 7 pull requests were closed.
-
-
 ## Version 1.22.3 (2021/12/07)
 
 ### Issues Closed