They lead to unecvessary dependencies between classes.
All components always have to be compiled which certainly blows up the executable and compilation times.
The fluid systems have default arguments for components anyway so there not even a benefit of using this
complicated fluid system definition.
Removing those adapters removes the dependency of fluidsystems on the property system completely.

Cleanup/minor changes

See merge request !629

Fix/tpfa fvgeometry test

See merge request !627

Feature/fix tpfa darcys law

See merge request !625

projects a vector and calculates the scalar product with a second vector