[FIR] Don't generate delegated members for java methods with default implementation

^KT-62334 Fixed

compiler/testData/codegen/box/jvm8/defaults/delegationBy/javaDefaultMethod.kt

@@ -1,8 +1,6 @@
 // TARGET_BACKEND: JVM
 // JVM_TARGET: 1.8
 // WITH_STDLIB
-// IGNORE_BACKEND_K2: ANY
-// Ignore reason: KT-62334
 
 // FILE: javaDefaultMethod.kt
 
@@ -23,4 +21,4 @@ public interface J {
     }
 
     String getK();
-}
+}