[mod_syndicate] - no need field cache

[alikon]

Pull Request for Issue #23163 .

Summary of Changes

removed field cache

Testing Instructions

module works as before

[ghost]

I have tested this item ✅ successfully on 07c312e

@alikon Thanks for this PR too.

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[Quy]

I have tested this item ✅ successfully on 07c312e

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[Quy]

RTC

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[infograf768]

@alikon
We need similar PR for mod_languages

[alikon]

@infograf768 when you can please test #23174