gnu: Remove python-coverage native-input from some packages.

Remove python-coverage from [native-inputs] in the following packages as
not required for build/tests/install:

* gnu/packages/check.scm: (python-pytest-flakes)
* gnu/packages/cpp.scm: (cpplint)
* gnu/packages/jupyter.scm: (python-nbclassic)
* gnu/packages/machine-learning.scm (onnx,
python-pytorch-lightning) (python-torchmetrics)
* gnu/packages/openstack.scm: (python-hacking)
* gnu/packages/python-xyz.scm: (python-lsp-jsonrpc, python-nodeenv)
* gnu/packages/simulation.scm: (python-dolfin-adjoint)
* gnu/packages/version-control.scm: (pre-commit)

Change-Id: I2c5e14f4aa28906ceee054c857e6abeeb122ad52
Signed-off-by: Sharlatan Hellseher <sharlatanus@gmail.com>

gnu/packages/openstack.scm

@@ -157,8 +157,7 @@ manner.")
     (propagated-inputs
      (list python-flake8))
     (native-inputs
-     (list python-coverage
-           python-ddt
+     (list python-ddt
            python-eventlet
            python-fixtures
            python-setuptools