Revert "access: vdr: fix null dereference (cid #1346943)"

This reverts commit 3a22750e.
This made no sense; the predicate is always true.

modules/access/vdr.c

@@ -874,7 +874,7 @@ static void ImportMarks( access_t *p_access )
     }
 
     /* add a chapter at the beginning if missing */
-    if( p_marks->i_seekpoint > 0 && offsetv && offsetv[0] > 0 )
+    if( p_marks->i_seekpoint > 0 && offsetv[0] > 0 )
     {
         seekpoint_t *sp = vlc_seekpoint_New();
         if( sp )