Do not force new line in body for empty functions and function expressions (KT-10828)

#KT-10828 Fixed

j2k/testData/fileOrElement/function/overrideAndOpen.kt

@@ -1,14 +1,11 @@
 internal open class A {
-    internal open fun foo() {
-    }
+    internal open fun foo() {}
 }
 
 internal open class B : A() {
-    override fun foo() {
-    }
+    override fun foo() {}
 }
 
 internal class C : B() {
-    override fun foo() {
-    }
+    override fun foo() {}
 }