SIGMON-281: Remove useless cells and add timing window for FPA

Context

• Project(s) README(s) link(s): SIGMON-244 https://its.cern.ch/jira/browse/SIGMON-244
• Story reminder --> Ack Per comments

What was done

• keypoints of the implementation / code changes --> Rename notebooks ---> Remove useless cells ---> Adapt FPA

TODO

• https://its.cern.ch/jira/browse/SIGMON-277
• https://its.cern.ch/jira/browse/SIGMON-278

Review objectives

• ? assessment of code functionality
• ? assessment of code quality
• ? identifying potential refactorings / logic common to other projects
• ? knowledge sharing