Reduce the number of lines used to implement ExecNode.
This was done by removing the constructor for LazyExecNode and removing some useless code inside node.py
Checklist:
[ ] My code follows the style guidelines of this project
[ ] I have performed a self-review of my code
[ ] I have commented my code, particularly in hard-to-understand areas
[ ] I have made corresponding changes to the documentation
[ ] My changes generate no new warnings
[ ] I have added tests that prove my fix is effective or that my feature works
[ ] New and existing unit tests pass locally with my changes
Description
Reduce the number of lines used to implement ExecNode. This was done by removing the constructor for LazyExecNode and removing some useless code inside node.py
Checklist: