[cmake][cleanup] Reduce output for cmake tests from module deps
There was output for not found ModuleMacros.cmake files for all dependencies even suggested/optional dependencies that have not been found. It's obvious that these tests can't be found and would be even weird if they would be performed actually if the module is not found (the latter corner case is not addressed in this MR, i.e. the module is not found but for some reason a macros.cmake is found in the path, not sure if relevant. Probably doesn't happen.)
Edited by Timo Koch