removed mentioning of f-string fix in release notes

Author: WolfgangWaltenberger

ReleaseNotes

@@ -3,7 +3,6 @@ Release v3.0.3, Thu xx Mar 2025
 
   * Fixes in build info to prepare for conda-forge
   * Fixed wrong imports, overlooked in refactoring from v2 -> v3 
-  * Tiny fix in error message for exceptions when loading database
   * Fixed pythia8 autocompile
 
 Release v3.0.2, Thu 23 Jan 2025

docs/manual/source/ReleaseUpdate.rst

@@ -38,7 +38,6 @@ New in Version 3.0.3:
 
   * Fixes in build info to prepare for conda-forge
   * Fixed wrong imports, overlooked in refactoring from v2 -> v3
-  * Tiny fix in error message for exceptions when `loading database  <experiment.html#experiment.databaseObj.SubDatabase.loadDatabase>`_
   * Fixed pythia8 autocompile
 
 New in Version 3.0.2: