gnu: python-statsmodels: Remove cythonized files from tarball.

* gnu/packages/statistics.scm (python-statsmodels)[source]: Add snippet
to remove cythonized files.

Revert "gnu: python-pingouin: Update to 0.5.0."

This reverts commit f2ad33bc3933b710e5beb6592a9a4925b91b199a.

python-pingouin after 0.3.12 needs newer versions of all the python
science libraries.

gnu: guix-build-coordinator: Update to 0-41.6b6218d.

* gnu/packages/package-management.scm (guix-build-coordinator): Update to
0-41.6b6218d.

gnu: Add nar-herder.

* gnu/packages/package-management.scm (nar-herder): New variable.

gnu: opencv: Fix installation.

This is a follow-up to commit 5894b1210d689ec408db21184b85b0a6a1a5ca3e.

* gnu/packages/image-processing.scm (opencv)[arguments]: Add build phase
'do-not-install-3rdparty-file.

gnu: emacs-geiser: Update to 0.20.1.

* gnu/packages/emacs-xyz.scm (emacs-geiser): Update to 0.20.1.

gnu: Add fsearch.

* gnu/packages/search.scm (fsearch): New variable.

gnu: tuir: Skip sanity-check.

* gnu/packages/syndication.scm (tuir)[arguments]: Remove 'sanity-check.

gnu: qutebrowser: Remove unnecessary input.

* gnu/packages/web-browsers.scm (qutebrowser)[inputs]: Remove
python-importlib-resources.

gnu: WebKitGTK: Update to 2.34.3 [fixes CVE-2021-{30809,30887,30890}].

* gnu/packages/webkit.scm (webkitgtk): Update to 2.34.3.

gnu: parlatype: Update to 3.1.

* gnu/packages/gnome.scm (parlatype): Update to 3.1.
[native-inputs]: Remove labels.

gnu: axel: Update to 2.17.11.

* gnu/packages/networking.scm (axel): Update to 2.17.11.

gnu: emacs-geiser-guile: Update to 0.20.

* gnu/packages/emacs-xyz.scm (emacs-geiser-guile): Update to 0.20.

gnu: emacs-geiser: Update to 0.20.

* gnu/packages/emacs-xyz.scm (emacs-geiser): Update to 0.20.
[propagated-inputs]: Add emacs-transient.

gnu: emacs-xml-rpc: Update to 1.0.5.

* gnu/packages/emacs-xyz.scm (emacs-xml-rpc): Update to 1.0.5.

gnu: opencv: Update to 4.5.4.

* gnu/packages/patches/opencv-fix-build-of-grfmt_jpeg2000.cpp.patch: Delete file.
* gnu/packages/patches/opencv-rgbd-aarch64-test-fix.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove patches.
* gnu/packages/image-processing.scm (opencv): Update to 4.5.4.
[source]: Remove patch; keep bundled quirc.
[arguments]: Build without ade; update build phase 'disable-broken-tests;
remove build phase 'add-ilmbase-include-path.
[native-inputs]: Update source hashes for opencv-contrib and opencv-extra.
[inputs]: Use new style; add imath and openblas; replace openexr-2 with
openexr.
[description]: Reformat first paragraph.

gnu: opencv: Remove trailing #T from snippet.

* gnu/packages/image-processing.scm (opencv)[source]: Remove #T at the end of
the snippet.

gnu: leveldb: Remove --no-rtti flag.

* gnu/packages/databases.scm (leveldb)[arguments]: Patch CMakeLists.txt in
'allow-RTTI phase.

gnu: ceph: Simplify source snippet.

* gnu/packages/storage.scm (ceph)[source]: Simplify snippet.

gnu: ceph: Update to 16.2.7.

* gnu/packages/storage.scm (ceph): Update to 16.2.7.