NIFI-12109 Remove SpringContextProcessor

[exceptionfactory]

Summary

NIFI-12109 Removes the SpringContextProcessor along with the nifi-spring-bundle and nifi-spring-nar modules.

Tracking

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Issue Tracking

• Apache NiFi Jira issue created

Pull Request Tracking

• Pull Request title starts with Apache NiFi Jira issue number, such as NIFI-00000
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Build

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  • JDK 21

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[joewitt]

+1 merging to main