Auto merge of #76028 - aticu:improve_e0118, r=estebank,jyn514,GuillaumeGomez

Auto merge of #76028 - aticu:improve_e0118, r=estebank,jyn514,GuillaumeGomez

Improve E0118

- Changes the "base type" terminology to "nominal type" (according to the [reference](https://doc.rust-lang.org/stable/reference/items/implementations.html#inherent-implementations)).
- Suggests removing a reference, if one is present on the type.
- Clarify what is meant by a "nominal type".

closes #69392

This is my first not-entirely-trivial PR, so please let me know if I missed anything or if something could be improved. Though I probably won't be able to fix anything in the upcoming week.