[maven-checkstyle-plugin] branch 19 deleted (was 123e773)

[slachiewicz]

This is an automated email from the ASF dual-hosted git repository.

slachiewicz pushed a change to branch 19
in repository https://gitbox.apache.org/repos/asf/maven-checkstyle-plugin.git.


     was 123e773  [MCHECKSTYLE-380] (doc) update issue tracking URL.

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