Remove comments from function/property implementation template

#KT-18539 Fixed

idea/idea-live-templates/testData/anonymous_1.exp.kt

@@ -3,7 +3,7 @@ import javax.swing.SwingUtilities
 fun main(args : Array<String>) {
     SwingUtilities.invokeLater(object : Runnable {
         override fun run() {
-            TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+            TODO("Not yet implemented")
         }
     })
 }