The Manual Visit Report cannot be hidden from the Attachment drop down for Local File in an Appointment.
Reproducing the Issue
1. Go to the Activities work centre.
2. Go to the Appointment view.
3. Open any Appointment ABC (ABC represents the Appointment name).
4. In the Attachment section, press Add -> Local File.
RESULT: Both options Standard Attachment and Manual Visit Report are available and cannot be hidden.
Manual Visit Report is defined in the backend settings of the system and cannot be changed/ hidden.
This is expected system behaviour.
KBA , SRD-CC , Cross Components , How To