Remove comments from function/property implementation template

#KT-18539 Fixed

idea/testData/codeInsight/overrideImplement/respectCaretPosition.kt.after

@@ -6,11 +6,11 @@ interface Test {
 class SomeTest : Test {
     val hello = 12
     override fun test() {
-        <selection><caret>TODO("not implemented") //To change body of created functions use File | Settings | File Templates.</selection>
+        <selection><caret>TODO("Not yet implemented")</selection>
     }
 
     override val testProp: Int
-        get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
+        get() = TODO("Not yet implemented")
 
     /**
      * test