[ePix100][CORRECT] Cleanup and refactor ePix100 correction notebook
Description
This is just a refactor for the notebook before I apply any logic changes later.
Main reactors are for:
1- fstrings. 2- Removing unused variables and imports. 3- Remove code duplication for retrieving constants. 4- Using pathlib.
No changes have been done to the notebook functionality.
How Has This Been Tested?
Relevant Documents (optional)
Types of changes
- Refactor (refactoring code with no functionality changes)
- Style (formatting changes only, no code changes)