Resolve "Formal issues in split rendering" - remove LC3plus dev defines
- Related issues: #640 (closed)
 - Requested reviewers: @vaclav
 
Reason why this change is needed
- Cleaning of (development) defines
 
Description of the change
- Cleaning of (development) defines
 
Affected operating points
- LC3plus in split rendering, but BE since it is only removal of debugging/dev code.
 
Related to #640 (closed)