Dropping package facades:

- light classes: do not generate light class for package facade
- drop package facades as multifile classes compilation mode support
- get rid of some additional package facade fqName usages
- update tests for light classes

idea/testData/kotlinAndJavaChecker/AssignMappedKotlinType.java

@@ -2,22 +2,22 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
 
-import test.TestPackage;
+import test.*;
 
 class AssignMappedKotlinType {
     void test() {
-        int i1 = TestPackage.getInt();
-        Integer i2 = TestPackage.getInt();
-        Number number = TestPackage.getNumber();
-        String str = TestPackage.getString();
+        int i1 = AssignMappedKotlinTypeKt.getInt();
+        Integer i2 = AssignMappedKotlinTypeKt.getInt();
+        Number number = AssignMappedKotlinTypeKt.getNumber();
+        String str = AssignMappedKotlinTypeKt.getString();
 
-        Collection<Integer> intCollection = TestPackage.getList();
-        List<Integer> intList = TestPackage.getList();
+        Collection<Integer> intCollection = AssignMappedKotlinTypeKt.getList();
+        List<Integer> intList = AssignMappedKotlinTypeKt.getList();
 
-        Collection<Integer> intMutableCollection = TestPackage.getMutableList();
-        List<Integer> intMutableList = TestPackage.getMutableList();
+        Collection<Integer> intMutableCollection = AssignMappedKotlinTypeKt.getMutableList();
+        List<Integer> intMutableList = AssignMappedKotlinTypeKt.getMutableList();
 
-        Collection<String> stringsCollection = TestPackage.getArrayList();
-        ArrayList<String> arrayListCollection = TestPackage.getArrayList();
+        Collection<String> stringsCollection = AssignMappedKotlinTypeKt.getArrayList();
+        ArrayList<String> arrayListCollection = AssignMappedKotlinTypeKt.getArrayList();
     }
 }

idea/testData/kotlinAndJavaChecker/JvmOverloadsFunctions.java

@@ -1,6 +1,6 @@
 import test.kotlin.A;
 
-import static test.kotlin.KotlinPackage.foo;
+import static test.kotlin.JvmOverloadsFunctionsKt.foo;
 
 class JvmOverloadsFunctions {
     public static void main(String[] args) {

idea/testData/kotlinAndJavaChecker/TopLevelFunctionInDataFlowInspection.java

@@ -1,11 +1,11 @@
 package test;
 
 import org.jetbrains.annotations.NotNull;
-import test.kotlin.KotlinPackage;
+import test.kotlin.*;
 
 public class TopLevelFunctionInDataFlowInspection {
     void other(@NotNull Object some) {
-        Object foo = KotlinPackage.foo(some);
+        Object foo = TopLevelFunctionInDataFlowInspectionKt.foo(some);
     }
 }
 

idea/testData/kotlinAndJavaChecker/UsingKotlinPackageDeclarations.java

@@ -1,10 +1,10 @@
-import test.TestPackage;
+package test;
 
 // Check absence of 'Static method reference via subclass warning' for kotlin usages
 public class UsingKotlinPackageDeclarations {
     public static int test() {
-        TestPackage.foo();
-        TestPackage.setBar(15);
-        return TestPackage.getBar();
+        UsingKotlinPackageDeclarationsKt.foo();
+        UsingKotlinPackageDeclarationsKt.setBar(15);
+        return UsingKotlinPackageDeclarationsKt.getBar();
     }
 }