hs-v3: Don't cleanup intro point in has_closed()

The hs_service_intro_circ_has_closed() was removing intro point objects if too
many retries.

We shouldn't cleanup those objects in that function at all but rather let
cleanup_intro_points() do its job and clean it properly.

This was causing an issue in #23603.

Furthermore, this moves the logic of remembering failing intro points in the
cleanup_intro_points() function which should really be the only function to
know when to cleanup and thus when an introduction point should be remembered
as a failed one.

Fixes #23603

Signed-off-by: David Goulet <dgoulet@torproject.org>

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