JVM IR: erase parameter default value when copying it to bridge

#KT-48391 Fixed

compiler/testData/codegen/box/defaultArguments/kt48391.kt

@@ -0,0 +1,17 @@
+// FILE: 1.kt
+
+class B : A<String>
+
+fun box(): String =
+    B().f()!!
+
+// FILE: 2.kt
+
+interface A<T> {
+    fun f(s: String = RESULT): T? =
+        s as T
+
+    companion object {
+        private val RESULT = "OK"
+    }
+}