[Rocketmq-connect-kafka] Remove openmessage-runtime dependency

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**BUG REPORT**

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- What did you expect to see?

- What did you see instead?

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3. Other information (e.g. detailed explanation, logs, related issues, suggestions how to fix, etc):

**FEATURE REQUEST**

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Start by locating the Rocketmq-connect-kafka module and searching its dependency declarations for openmessage-runtime. Confirm which build files and source imports reference it, then verify that the module still builds and its tests pass after the dependency is removed.

Written by the indexing model from the issue text.