Neg tests: remove // error from pos tests

Author: VladimirNik

tests/pos/t0273.scala

@@ -2,6 +2,6 @@ class A
 
 object Test {
 def a = () => ()
-def a[T] = (p:A) => ()              // error
+def a[T] = (p:A) => ()
 def main(args: Array[String]) = ()
 }

tests/pos/t1279a.scala

@@ -4,7 +4,7 @@ abstract class M {
 
   type T
   final type selfType = M {type T <: self.T}
-  type actualSelfType >: self.type <: selfType // error: this no longer compiles because self.type is not a subtype of selfType
+  type actualSelfType >: self.type <: selfType
 
   def next: selfType