JVM IR: Do not generate private suspend functions as synthetic package-private

#KT-26592

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/FunctionCodegen.kt

@@ -165,7 +165,6 @@ class FunctionCodegen(
         }
         val isSynthetic = origin.isSynthetic ||
                 hasAnnotation(JVM_SYNTHETIC_ANNOTATION_FQ_NAME) ||
-                (isSuspend && DescriptorVisibilities.isPrivate(visibility) && !isInline) ||
                 isReifiable() ||
                 isDeprecatedHidden()
 

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/irCodegenUtils.kt

@@ -208,10 +208,6 @@ private fun IrDeclarationWithVisibility.specialCaseVisibility(kind: OwnerKind?):
         return null
     }
 
-    if (this is IrSimpleFunction && isSuspend) {
-        return AsmUtil.NO_FLAG_PACKAGE_PRIVATE
-    }
-
     if (this is IrConstructor && parentAsClass.kind === ClassKind.ENUM_ENTRY) {
         return AsmUtil.NO_FLAG_PACKAGE_PRIVATE
     }

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

@@ -679,8 +679,6 @@ internal class SyntheticAccessorLowering(val context: JvmBackendContext) : IrEle
         val fromSubclassOfReceiversClass = !throughCrossinlineLambda &&
                 context.isSubclassOf(ownerClass) && (thisObjReference == null || context.symbol.isSubtypeOfClass(thisObjReference))
         return when {
-            // private suspend functions are generated as synthetic package private
-            declaration is IrFunction && declaration.isSuspend && declaration.visibility.isPrivate && samePackage -> true
             declaration.visibility.isPrivate && (throughCrossinlineLambda || ownerClass != context) -> false
             declaration.visibility.isProtected && !samePackage && !fromSubclassOfReceiversClass -> false
             withSuper && !fromSubclassOfReceiversClass -> false