Revert "Zip filter: skip .vlt & .wsz (skins)"

This reverts commit 80bd9600.

modules/access/zip/zipstream.c

@@ -172,18 +172,6 @@ int StreamOpen( vlc_object_t *p_this )
     stream_t *s = (stream_t*) p_this;
     stream_sys_t *p_sys;
 
-    /* Verify file extension: discard .vlt files (skins) */
-    char *psz_ext = strrchr( s->psz_path, '.' );
-    if( psz_ext )
-    {
-        if( !strncasecmp( psz_ext, ".vlt", 4 ) ||
-            !strncasecmp( psz_ext, ".wsz", 4 ) )
-        {
-            msg_Dbg( s, "skipping skins package (*.vlt, *.wsz)" );
-            return VLC_EGENERIC;
-        }
-    }
-
     /* Verify file format */
     const uint8_t *p_peek;
     if( stream_Peek( s->p_source, &p_peek, i_zip_marker ) < i_zip_marker )