[Layers] Update the layers model

- Removed outdated or unused types and layers definition
- Update the genmodel parameters to avoid EMF types
- Extract @generated NOT whenever possible from the generated code
- Regenerate the code
- Remove CustomPropertyOperator, CustomPropertyOperatorDescriptor and DefaultPropertyOperator
- Remove CustomLayerOperator
- Remove AbstractLayerOperator and redirect to LayerOperator
- Improve serialization and save strategy
- Removed additional generated NOT tags

Change-Id: I10ee3781382f60b2c371ff45b977dad0e66b8fda
Signed-off-by: Quentin Le Menez <quentin.lemenez@cea.fr>
617 files changed