JVM IR: generate private @JvmStatic functions as in old backend

#KT-46181 Fixed

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/JvmStaticAnnotationLowering.kt

@@ -118,9 +118,7 @@ private class CompanionObjectJvmStaticTransformer(val context: JvmBackendContext
     private fun IrSimpleFunction.needsStaticProxy(): Boolean = when {
         // Case 1: `external` static methods are moved to the outer class. JNI code does not care about visibility.
         isExternal -> true
-        // Case 2: `JvmStatic` is useless on private/inline-only methods because they're not visible to any Java code anyway.
-        visibility == DescriptorVisibilities.PRIVATE -> false
-        visibility == DescriptorVisibilities.PRIVATE_TO_THIS -> false
+        // Case 2: `JvmStatic` is useless on inline-only methods because they're not visible to any Java code anyway.
         origin == JvmLoweredDeclarationOrigin.SYNTHETIC_METHOD_FOR_PROPERTY_OR_TYPEALIAS_ANNOTATIONS -> false
         isEffectivelyInlineOnly() -> false
         // Case 3: protected non-inline needs a static proxy in the parent to be callable from subclasses