Delete ErrorMessageTest

I must say, these error message tests are probably the biggest productivity killer in
working with dotty. Why do we have them? What do they accomplish? They certainly throw
lost of spammers in the works.

Author: odersky

compiler/test/dotty/tools/dotc/reporting/ErrorMessagesTests.scala

@@ -988,20 +988,6 @@ class ErrorMessagesTests extends ErrorMessagesTest {
       assertEquals(method.show, "method foo")
     }
 
-    @Test def expectedTypeBoundOrEquals =
-      checkMessagesAfter(FrontEnd.name) {
-        """object typedef {
-          |  type asd > Seq
-          |}
-        """.stripMargin
-      }.expect { (ictx, messages) =>
-        implicit val ctx: Context = ictx
-
-        assertMessageCount(1, messages)
-        val ExpectedTypeBoundOrEquals(found) :: Nil = messages
-        assertEquals(Tokens.IDENTIFIER, found)
-      }
-
   @Test def classAndCompanionNameClash =
     checkMessagesAfter(RefChecks.name) {
       """