Remove comments from function/property implementation template

#KT-18539 Fixed

idea/testData/quickfix/createFromUsage/createFunction/callableReferences/extensionNoReceiverInCallableRef.kt.after

@@ -5,7 +5,7 @@ fun consume(s: String) {}
 
 fun test() {
     fun foo(i: Int): String {
-        <selection>TODO("not implemented") //To change body of created functions use File | Settings | File Templates.</selection>
+        <selection>TODO("Not yet implemented")</selection>
     }
     consume(1.map(::foo))
 }

idea/testData/quickfix/createFromUsage/createFunction/callableReferences/extensionWithReceiverInCallableRef.kt.after

@@ -9,5 +9,5 @@ fun test() {
 }
 
 private fun Int.foo(): String {
-    TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    TODO("Not yet implemented")
 }

idea/testData/quickfix/createFromUsage/createFunction/callableReferences/noExpectedReturnType.kt.after

@@ -3,7 +3,7 @@ fun <T, U> T.map(f: (T) -> U) = f(this)
 
 fun test() {
     fun foo(i: Int): Any {
-        <selection>TODO("not implemented") //To change body of created functions use File | Settings | File Templates.</selection>
+        <selection>TODO("Not yet implemented")</selection>
     }
     1.map(::foo)
 }

idea/testData/quickfix/createFromUsage/createFunction/callableReferences/nonExtensionWithReceiverInCallableRef.kt.after

@@ -9,5 +9,5 @@ fun test() {
 }
 
 private fun Int.foo(): String {
-    TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    TODO("Not yet implemented")
 }

idea/testData/quickfix/createFromUsage/createFunction/callableReferences/withExpectedReturnType.kt.after

@@ -5,7 +5,7 @@ fun consume(s: String) {}
 
 fun test() {
     fun foo(i: Int): String {
-        <selection>TODO("not implemented") //To change body of created functions use File | Settings | File Templates.</selection>
+        <selection>TODO("Not yet implemented")</selection>
     }
     consume(1.map(::foo))
 }