mayavi direct dependency removed

refer to github PR for reason direct dependency is added - tested to not be necessary as of now, and removed since that blocks pypi artifact upload

#280 (comment)

https://stackoverflow.com/questions/54887301/how-can-i-use-git-repos-as-dependencies-for-my-pypi-package

setup.py

@@ -139,7 +139,7 @@ def run(self):
         "colorama",
         "dill",
         "jupyterlab",
-        "mayavi",
+        "mayavi", # github direct dependency removed since pip version is fixed, and also not compatible with pypi
         "pandas",
         "control",
         "openpyxl>=3.0.10",