eRSDTransformer experimental fix, PlanDef reference removal

[sliver007]

Updates to eRSDTransformer to set experimental element false and strip reference to PlanDefinition from Groupers

Description Updates to eRSDTransformer to set experimental element false and strip reference to PlanDefinition from Groupers

• Github Issue:
• [x] I've read the contribution guidelines
• [x] Code compiles without errors
• [x] Tests are created / updated
• [x] Documentation is created / updated

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