Deprecate src/sage/misc/db.py

[jdemeyer]

Yet another essentially unused module.

Depends on #17460

Component: misc

Author: Jeroen Demeyer

Branch/Commit: fc4d2e4

Reviewer: Vincent Delecroix

Issue created by migration from https://trac.sagemath.org/ticket/17653

[jdemeyer]

Branch: u/jdemeyer/ticket/17653

[jdemeyer]

New commits:

d12c094	Deprecate moved imports from sage.misc.misc
fc4d2e4	Deprecate src/sage/misc/db.py

[jdemeyer]

Commit: fc4d2e4

[videlec]

Reviewer: Vincent Delecroix

[videlec]

comment:4

All test pass... (but you did not add any doctest).

[vbraun]

Changed branch from u/jdemeyer/ticket/17653 to fc4d2e4