Code Insight: Format generated declarations

#KT-11176 Fixed
(cherry picked from commit 3641ad6)

idea/testData/quickfix/createFromUsage/createFunction/delegateAccessors/varMissingGet.kt.after

@@ -3,7 +3,6 @@ import kotlin.reflect.KProperty
 
 class F {
     operator fun setValue(x: X, property: KProperty<*>, i: Int) { }
-
     operator fun getValue(x: X, property: KProperty<*>): Int {
         TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
     }

idea/testData/quickfix/createFromUsage/createFunction/delegateAccessors/varMissingSet.kt.after

@@ -3,7 +3,6 @@ import kotlin.reflect.KProperty
 
 class F {
     operator fun getValue(x: X, property: KProperty<*>): Int = 1
-
     operator fun setValue(x: X, property: KProperty<*>, i: Int) {
         TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
     }