[CI] Refine .prm files
- add basop_encoder file for ltv
- only do passthrough in basop_encoder files
- add CI check for duplicates in .prm files
- remove duplicates
WARNING! Gitlab maintenance operation scheduled for Monday, 20 April between 12:00 and 14:00 (CET). During this time window, short service interruptions (less than 5 minutes) may occur. Thank you in advance for your understanding.