Move ntl_wrap to Sage library

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Depends on #18519

Component: **c_lib**

Author: **Jeroen Demeyer**

Branch/Commit: **[`0bd4c02`](https://github.com/sagemath/sagetrac-mirror/commit/0bd4c02e112fb242060fd112e7f36a17c36a80e8)**

Reviewer: **François Bissey**

_Issue created by migration from https://trac.sagemath.org/ticket/18367_

