[gtk-doc] rebase: remove option group

[Stefan Sauer <stefkost src gnome org>]

commit 05f2ab8a2dfc335610adb3010e289e64e5fc3e5b
Author: Stefan Sauer <ensonic users sf net>
Date:   Mon Apr 10 17:44:07 2017 +0200

    rebase: remove option group
    
    This was a porting mistake of mine. One can actually specify both - see
    'dist' target in Makefile.

 gtkdoc-rebase.in |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/gtkdoc-rebase.in b/gtkdoc-rebase.in
index 1d3cb6b..acd3079 100755
--- a/gtkdoc-rebase.in
+++ b/gtkdoc-rebase.in
@@ -44,11 +44,10 @@ if __name__ == '__main__':
                         help='Rebase links to all files that are under a directory matching a package name.')
     parser.add_argument('--verbose', action='store_true', default=False,
                         help='Print extra output while processing')
-    group = parser.add_mutually_exclusive_group()
-    group.add_argument('--online', action='store_true', default=False,
-                       help='Prefer cross-references to online documents')
-    group.add_argument('--relative', action='store_true', default=False,
-                       help='Prefer relative cross-references')
+    parser.add_argument('--online', action='store_true', default=False,
+                        help='Prefer cross-references to online documents')
+    parser.add_argument('--relative', action='store_true', default=False,
+                        help='Prefer relative cross-references')
 
     options = parser.parse_args()