Removed message field and associaetd constructors as it was never used and is superceeded by ReportManager.
Removed message field and associaetd constructors as it was never used and is superceeded by ReportManager.

Ensembl/ensj-healthcheck,thomasmaurel/ensj-healthcheck,Ensembl/ensj-healthcheck,thomasmaurel/ensj-healthcheck,thomasmaurel/ensj-healthcheck,Ensembl/ensj-healthcheck,Ensembl/ensj-healthcheck,thomasmaurel/ensj-healthcheck