[CAMEL-24635] Cleanup of unused maven plugin related dependencies

[nielsbasjes]

Description

Some dependencies mentioned under dependency management are not used, 17 years old and contain CVE's. Better to remove them.

Target

• I checked that the commit is targeting the correct branch (Camel 4 uses the main branch)

Tracking

• CAMEL-24635

Apache Camel coding standards and style

• I checked that each commit in the pull request has a meaningful subject line and body.

• I have run mvn clean install -DskipTests locally from root folder and I have committed all auto-generated changes.

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Only manually edited changes

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[gnodet]

LGTM — verified that none of these 4 removed managed dependencies (maven-toolchain, maven-artifact-manager, maven-plugin-descriptor, maven-project) are actually used as direct dependencies in any child module. The two references to maven-plugin-descriptor in camel-maven-plugin and camel-csimple-maven-plugin are exclusions on exec-maven-plugin, which work independently of dependency management.

Clean removal of ancient Maven 2.2.1 artifacts with known CVE-2021-26291. 👍

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🧪 CI tested the following changed modules:

• parent

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