Update release notes for release (#195)

If luca doesn't ruin it again, we might have a stable version with this
^^ (though I am much haappier with due to his interference)

Author: Marenz

RELEASE_NOTES.md

@@ -2,18 +2,10 @@
 
 ## Summary
 
-<!-- Here goes a general summary of what this release is about -->
+This is just a minor update that changes the `Dispatch` message structure a bit.
 
 ## Upgrading
 
 * `DispatchDetail` is now `Dispatch`
 * `Dispatch` became `DispatchData`
 * Member part of `Dispatch` is now the new message `DispatchMedatata`
-
-## New Features
-
-<!-- Here goes the main new features and examples or instructions on how to use them -->
-
-## Bug Fixes
-
-<!-- Here goes notable bug fixes that are worth a special mention or explanation -->