Change back to non async interface for try_into_logical_plan

**Is your feature request related to a problem or challenge? Please describe what you are trying to do.**

**Describe the solution you'd like**

**Describe alternatives you've considered**

**Additional context**

The issue names try_into_logical_plan but provides no files, tests, or concrete requirements. Start by locating that entry point and its callers, then clarify the intended non-async interface and verify that the affected query-planning tests and callers work with the agreed change.

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