[Enhancement] RequestMapping, UrlMappingPattern can apply some optimizing

[pandaapo]

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• I had searched in the issues and found no similar issues.

Enhancement Request

org.apache.eventmesh.admin.rocketmq.util.RequestMapping :

This class has redundant code.

org.apache.eventmesh.admin.rocketmq.util.UrlMappingPattern :

The private method getUrlMappingPattern() only return a field value.

The private method setUrlMappingPattern(String pattern) only assign a value to a field.

The class has no parent class except Object, so super() is no needed.

Describe the solution you'd like

org.apache.eventmesh.admin.rocketmq.util.RequestMapping:

Resolve the redundant code.

org.apache.eventmesh.admin.rocketmq.util.UrlMappingPattern :

Do some simplifying.

Are you willing to submit PR?

• Yes I am willing to submit a PR!