drop notebook 7 tests

The new version updates have made the notebook 7 tests
unfeasible to further maintain. See issues #49 and #50.

tox.ini

@@ -11,38 +11,6 @@ envlist =
 
 [testenv]
 
-[testenv:tests-notebook-7]
-description =
-    Tests with jupyter notebook version > 7
-setenv =
-    # this is needed to run selenium on a machine without display to do CI
-    SELENIUM_FIREFOX_DRIVER_ARGS = {env:SELENIUM_FIREFOX_DRIVER_ARGS:--headless}
-    JUPYTER_TYPE = notebook
-    # use the jupyter config in the tox environment
-    # otherwise the users config is used
-    JUPYTER_CONFIG_DIR={envdir}/etc/jupyter
-    JUPYTER_DATA_DIR={envdir}/share/jupyter
-deps =
-    pytest<8.0.0
-    pytest-html<4.0.0,
-    # selenium juypter notebook tests
-    notebook==7.0.2
-    # fixing selenium version to have backwards-compatibility with pytest-selenium
-    # see https://github.com/robotframework/SeleniumLibrary/issues/1835#issuecomment-1581426365
-    selenium==4.9.0
-    pytest-selenium
-    jupytext==1.15.0
-    imageio
-    # we fix matplotlib for consistent image tests
-    matplotlib==3.7.2
-    numpy<2.0.0
-    scikit-image
-    ipympl
-commands =
-    # converts the python files to ipython notebooks
-    jupytext tests/notebooks/*.py --to ipynb
-    pytest {posargs:-v} --driver Firefox
-
 [testenv:tests-lab-3]
 description =
     Tests with jupyter lab version < 4