Sigmon 172 correct metadata for run2

Context

• There was still some metadata for circuits pointing to CALS

What was done

• Deleted the CALS entries and changed for NXCALS, I checked which system do the variables belong to in Timber
• Deleted some tests for CALS variables

Review objectives

• ? assessment of code functionality
• ? assessment of code quality
• ? identifying potential refactorings / logic common to other projects
• ? knowledge sharing
• ? getting help to understand a piece of code