Comment not required anymore

Was introduced with OpenAPITools#7587 could be removed with OpenAPITools#10544

Author: parenko

modules/openapi-generator-maven-plugin/pom.xml

@@ -16,7 +16,6 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <sonar.exclusions>**/src/main/java/org/openapitools/codegen/plugin/**/*</sonar.exclusions>
-        <!-- used for integration tests verification scripts, managed by the test harness plugin -->
     </properties>
     <dependencies>
         <dependency>