[gxml/gxml-0.16] EnumerationTest: Drop "nick" from enum-value to fix tests

[Rico Tzschichholz <ricotz src gnome org>]

commit e51ce7bebfd992bc19b35346da1ed754c2f4ad41
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sat May 19 18:29:56 2018 +0200

    EnumerationTest: Drop "nick" from enum-value to fix tests
    
    This was not supported by valac before 0.41/42 and obviously makes the
    tests fail now that "nick" is applied.

 test/EnumerationTest.vala | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/test/EnumerationTest.vala b/test/EnumerationTest.vala
index 1658e33..8f94af7 100644
--- a/test/EnumerationTest.vala
+++ b/test/EnumerationTest.vala
@@ -28,7 +28,6 @@ using Gee;
 
 public enum OptionsEnum
 {
-  [Description (nick="SelectionOption")]
   SelectBefore,
   HoldOn,
   LeaveHeare,