t64: RM src:hkl and src:sardana

[Simon Chopin]

Please remove src:hkl and src:sardana from noble
hkl is FTBFS and blocks the t64 glib2.0 transition. sardana is its only hard rdep.

It has been removed from Debian testing:
https://tracker.debian.org/news/1513984/hkl-removed-from-testing/

❯ check-removal sardana
### Source rdeps: reverse-depends -a source src:hkl
Reverse-Build-Depends-Indep
===========================
* sardana (for gir1.2-hkl-5.0)

### Binary rdeps: reverse-depends src:hkl
Reverse-Recommends
==================
* pan-control-systems (for ghkl)
* pan-control-systems-dev (for libhkl-dev)
* pan-diffraction (for libhkl-dev)
* pan-diffraction (for libhkl-doc)
* pan-diffraction (for gir1.2-hkl-5.0)
* pan-diffraction (for ghkl)
* science-dataacquisition (for ghkl)
* science-physics (for ghkl)

Reverse-Depends
===============
* python3-sardana (for gir1.2-hkl-5.0)

Packages without architectures listed are reverse-dependencies in: amd64, arm64, armhf, i386, ppc64el, s390x

### Seeded?: seeded-in-ubuntu hkl
Status unknown: No binary packages built by the latest hkl.

❯ check-removal sardana
### Source rdeps: reverse-depends -a source src:sardana
No reverse dependencies found

### Binary rdeps: reverse-depends src:sardana
Reverse-Recommends
==================
* pan-control-systems (for python3-sardana)
* pan-control-systems-dev (for python3-sardana)

Packages without architectures listed are reverse-dependencies in: amd64, arm64, armhf, i386, ppc64el, s390x

### Seeded?: seeded-in-ubuntu sardana
sardana's binaries are not seeded.

[Matthias Klose (doko)]

were already removed