Drop package facades:

- update tests
- cleanup JetTyMapper after rebase

Original commit: dda508234f

jps/jps-plugin/testData/incremental/multiModule/constantValueChanged/build.log

@@ -8,7 +8,6 @@ End of files
 Cleaning output files:
 out/production/module1/META-INF/module1.kotlin_module
 out/production/module1/test/Module1_constKt.class
-out/production/module1/test/TestPackage.class
 End of files
 Compiling files:
 module1/src/module1_const.kt
@@ -18,4 +17,4 @@ out/production/module2/usage/Usage.class
 End of files
 Compiling files:
 module2/src/module2_usage.kt
-End of files
+End of files