Merge branch 'LHCBGAUSS-887' into master

LHCBGAUSS-887 : Remove script and template for new event type tests from Gauss as well as its execution

Remove script and template for new event type tests. Remove executing the script from the cmt requirements. This in not only no longer necessary since they are done in dedicated DecFilesTests project but it also creating problems in making the web page test reporting when building with cmake

See merge request !27 (merged)