Revert "Refactor detection FMetric (#4130)" (#4210)

* Revert "Refactor detection FMetric (#4130)"

Author: eugene123tw

CHANGELOG.md

@@ -39,8 +39,6 @@ All notable changes to this project will be documented in this file.
   (<https://github.com/openvinotoolkit/training_extensions/pull/4073>)
 - Upgrade OpenVINO to 2024.5 and NNCF to 2.14.0
   (<https://github.com/openvinotoolkit/training_extensions/pull/4123>)
-- Improve FMetric computation
-  (<https://github.com/openvinotoolkit/training_extensions/pull/4130>)
 - Upgrade OV, MAPI, and NNCF dependencies
   (<https://github.com/openvinotoolkit/training_extensions/pull/3967>)
 - Instance Segmentation Model refactoring
@@ -51,6 +49,8 @@ All notable changes to this project will be documented in this file.
   (<https://github.com/openvinotoolkit/training_extensions/pull/3985>)
 - Bump OV to 2024.6, update empty label handling
   (<https://github.com/openvinotoolkit/training_extensions/pull/4162>)
+- Revert FMetric computation (PR: 4130)
+  (<https://github.com/openvinotoolkit/training_extensions/pull/4210>)
 
 ### Bug fixes