Remove ConfiguratorUtils that was deprecated for removal

[deepika-u]

The ConfiguratorUtils is deprecated for removal for more than 2 years. This pr removes it accordingly.

[github-actions]

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Results for commit e70c377.

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[eclipse-platform-bot]

This pull request changes some projects for the first time in this development cycle.
Therefore the following files need a version increment:

update/org.eclipse.update.configurator/META-INF/MANIFEST.MF

An additional commit containing all the necessary changes was pushed to the top of this PR's branch. To obtain these changes (for example if you want to push more changes) either fetch from your fork or apply the git patch.

Git patch

From 0043aa4dc6038051fde99dd898c1cb7844410e25 Mon Sep 17 00:00:00 2001
From: Eclipse Platform Bot <platform-bot@eclipse.org>
Date: Fri, 5 Jun 2026 15:30:50 +0000
Subject: [PATCH] Version bump(s) for 4.41 stream


diff --git a/update/org.eclipse.update.configurator/META-INF/MANIFEST.MF b/update/org.eclipse.update.configurator/META-INF/MANIFEST.MF
index cf14f2bbe2..9e92d1fd8c 100644
--- a/update/org.eclipse.update.configurator/META-INF/MANIFEST.MF
+++ b/update/org.eclipse.update.configurator/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.update.configurator; singleton:=true
-Bundle-Version: 3.5.1000.qualifier
+Bundle-Version: 3.5.1100.qualifier
 Bundle-Activator: org.eclipse.update.internal.configurator.ConfigurationActivator
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
-- 
2.54.0

Further information are available in Common Build Issues - Missing version increments.