Handling CS Start if Redis not present

[farhanW3]

Issue:

If you have CS setup but no redis, it will not run on startup, but if the configuration table values are updated, we catch the update & restart all cron. Thus, we missed this check

Resolution: Updated the place where we check if redis is present in the chainIndexerListener flow.

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PR-Codex overview

This PR removes the conditional check for Redis availability before starting the Chain Indexer Listener in the worker module.

Detailed summary

• Removed conditional check for Redis availability before starting Chain Indexer Listener
• Updated chainIndexerListener.ts to log a warning if Redis is not available

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