Remove comments from function/property implementation template

#KT-18539 Fixed

idea/testData/quickfix/createFromUsage/createFunction/iterator/createIteratorFromUsage1.kt.after

@@ -1,7 +1,7 @@
 // "Create member function 'Foo.iterator'" "true"
 class Foo<T> {
     operator fun iterator(): Iterator<T> {
-        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+        TODO("Not yet implemented")
     }
 }
 

idea/testData/quickfix/createFromUsage/createFunction/iterator/createIteratorFromUsage2.kt.after

@@ -1,7 +1,7 @@
 // "Create member function 'Foo.iterator'" "true"
 class Foo<T> {
     operator fun iterator(): Iterator<String> {
-        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+        TODO("Not yet implemented")
     }
 }
 

idea/testData/quickfix/createFromUsage/createFunction/iterator/createIteratorFromUsage3.kt.after

@@ -2,7 +2,7 @@
 class FooIterator<T> {
     operator fun hasNext(): Boolean { return false }
     operator fun next(): Any {
-        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+        TODO("Not yet implemented")
     }
 }
 class Foo<T> {