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

#KT-10828 Fixed

j2k/testData/fileOrElement/comments/comments2.kt

@@ -14,11 +14,9 @@ internal class A {
 
     private /*it's private*/ val field = 0
 
-    /*it's public*/ fun foo(s: String): Char {
-    }
+    /*it's public*/ fun foo(s: String): Char {}
 
-    protected /*it's protected*/ fun foo(c: Char) {
-    }
+    protected /*it's protected*/ fun foo(c: Char) {}
 
     companion object {
 

j2k/testData/fileOrElement/comments/commentsForConstructors.kt

@@ -16,8 +16,7 @@ internal class B// this constructor will disappear
 (private val x: Int) // end of constructor body
 {
 
-    fun foo() {
-    }
+    fun foo() {}
 }
 
 internal class CtorComment {