20b update - Track External Succession Candidates

Summary

Is there a way to hide fields within the 'track external succession candidates' section through page composer?

Content

Hi, 

Is there a way to hide fields within the 'track external succession candidates' section e.g. email?

I have tried this through page composer, however it does not seem to be making the sections hidden, despite the fact that I unitck the 'visible' option. 

Thanks, 

Hayley