Support Checkstyle 8.25 and later #156
Description
Checkstyle 8.21 split the checks for missing Javadoc out into a separate check and deprecated a number of properties. spring-checkstyle.xml sets the allowMissingJavadoc property on JavadocMethodCheck. It was deprecated in 8.21 and removed in 8.25.
As far as I can tell, the property has had no effect since 8.21. If that's correct, we can fix this by removing the configuration of the property.