[easytag] Remove unused code when reading MP4 header

[David King <davidk src gnome org>]

commit f2871ad88af1ba9ff006c6fd9471ad6841e4e182
Author: David King <amigadave amigadave com>
Date:   Thu Apr 17 22:42:04 2014 +0100

    Remove unused code when reading MP4 header
    
    Found with Coverity (CID 1203406)

 src/mp4_header.cc |   10 ----------
 1 files changed, 0 insertions(+), 10 deletions(-)
---
diff --git a/src/mp4_header.cc b/src/mp4_header.cc
index ebb024c..549239e 100644
--- a/src/mp4_header.cc
+++ b/src/mp4_header.cc
@@ -28,7 +28,6 @@
  */
 gboolean Mp4_Header_Read_File_Info (gchar *filename, ET_File_Info *ETFileInfo)
 {
-    TagLib::MP4::Tag *tag;
     const TagLib::MP4::Properties *properties;
 
     g_return_val_if_fail (filename != NULL && ETFileInfo != NULL, FALSE);
@@ -62,15 +61,6 @@ gboolean Mp4_Header_Read_File_Info (gchar *filename, ET_File_Info *ETFileInfo)
         return FALSE;
     }
 
-    if (!(tag = mp4file.tag ()))
-    {
-        gchar *filename_utf8 = filename_to_display (filename);
-        Log_Print (LOG_ERROR, _("File contains no audio track: '%s'"),
-                   filename_utf8);
-        g_free (filename_utf8);
-        return FALSE;
-    }
-
     properties = mp4file.audioProperties ();
 
     if (properties == NULL)