REPL: sanitize stack traces

Don't include our compiler's and preloader's internal code, reflection, native
methods etc. Also delete "substring" matching logic from tests

compiler/testData/repl/evaluationErrors.repl

@@ -1,5 +1,11 @@
 >>> throw Exception("hi there")
-substring: Exception: hi there
+java.lang.Exception: hi there
+	at Line1.<init>(Unknown Source)
 >>> fun foo() = 2
 >>> foo()
 2
+>>> fun bar() = throw AssertionError()
+>>> bar()
+java.lang.AssertionError
+	at Line4.bar(Unknown Source)
+	at Line5.<init>(Unknown Source)