Update release notes

Signed-off-by: camille-bouvy-frequenz <[email protected]>

Author: camille-bouvy-frequenz

RELEASE_NOTES.md

@@ -6,14 +6,12 @@
 
 ## Upgrading
 
-<!-- Here goes notes on how to upgrade from previous versions, including deprecations and what they should be replaced with -->
+* Rename CLI trade and order functions for clarity
 
 ## New Features
 
 * Print tags and filled (instead of open) quantity for gridpool orders in CLI tool.
 
-<!-- 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 -->