Move JVM specific proto comparison tests to separate dir

jps-plugin/testData/comparison/classSignatureChange/classToFileFacade/new.kt

@@ -1,3 +0,0 @@
-package test
-
-public fun main() {}

jps-plugin/testData/comparison/classSignatureChange/classToFileFacade/old.kt

@@ -1,13 +0,0 @@
-package test
-
-public class TestPackage {
-    public fun main() {}
-}
-
-public class MainKt {
-    companion object {
-        @JvmStatic
-        public fun main() {
-        }
-    }
-}

jps-plugin/testData/comparison/classSignatureChange/classToFileFacade/result.out

@@ -1,3 +0,0 @@
-REMOVED: class MainKt$Companion.class
-REMOVED: class TestPackage.class
-changes in test/MainKt: CLASS_SIGNATURE

jps-plugin/testData/comparison/classSignatureChange/classWithSuperTypeListChanged/new.kt

@@ -1,4 +1,4 @@
 package test
 
-class ClassWithSuperTypeListChanged : java.io.Serializable {
+class ClassWithSuperTypeListChanged : Throwable() {
 }

jps-plugin/testData/comparison/classSignatureChange/packageFacadeToClass/new.kt

@@ -1,13 +0,0 @@
-package test
-
-public class TestPackage {
-    public fun main() {}
-}
-
-public class MainKt {
-    companion object {
-        @JvmStatic
-        public fun main() {
-        }
-    }
-}

jps-plugin/testData/comparison/classSignatureChange/packageFacadeToClass/old.kt

@@ -1,3 +0,0 @@
-package test
-
-public fun main() {}

jps-plugin/testData/comparison/classSignatureChange/packageFacadeToClass/result.out

@@ -1,3 +0,0 @@
-ADDED: class MainKt$Companion.class
-ADDED: class TestPackage.class
-changes in test/MainKt: CLASS_SIGNATURE