- model-combined-transparent is deprecated.
- model-transparent can be used to let some rendering pipelines know that
an object is transparent.
- In the case of Classic, model-transparent just inherits from model-default
and the object is rendered normally.
Talking with Emilian about this commit, we came to the conclusion we don't want share uniform between .eff file
This reverts commit 91a6a27f32ee5f79e1d7e0d4570e879a902de58f.