Classifiers annotated with `@Deprecated(level = HIDDEN)` now have smaller
priority in imports, similarly to private classes. For example, if two
classifiers named Foo are imported with a star import and one of them is
deprecated-hidden, the name Foo in the source code is resolved to the other
one.
Also a minor change in multi-module diagnostic tests: do not append newlines
after the last module in the test
#KT-13926 Fixed
Alexander Udalov