Drop package facades:

- incremental cache impl should not depend on package facades
- fix trivial incremental compilation tests
TODO: inlines DO NOT WORK with incremental compilation

jps-plugin/testData/incremental/cacheVersionChanged/touchedFile/build.log

@@ -1,11 +1,9 @@
 Cleaning output files:
 out/production/module/META-INF/module.kotlin_module
 out/production/module/test/BKt.class
-out/production/module/test/TestPackage.class
 End of files
 Cleaning output files:
 out/production/module/other/OtherKt.class
-out/production/module/other/OtherPackage.class
 out/production/module/test/AKt.class
 End of files
 Compiling files: