[gnome-music] query: Remove unused coalesce statements

[Marinus Schraal <mschraal src gnome org>]

commit bc43862badadf763e9b47645d8dd8120306f3370
Author: Marinus Schraal <mschraal src gnome org>
Date:   Thu May 26 17:48:38 2016 +0200

    query: Remove unused coalesce statements
    
    https://bugzilla.gnome.org/show_bug.cgi?id=754700

 gnomemusic/query.py |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/gnomemusic/query.py b/gnomemusic/query.py
index ca5436e..7bfc6fa 100644
--- a/gnomemusic/query.py
+++ b/gnomemusic/query.py
@@ -124,8 +124,6 @@ class Query():
         tracker:id(?album) AS ?id
         nmm:artistName(?albumArtist) AS ?artist
         ?title
-        tracker:coalesce((SELECT GROUP_CONCAT(nmm:artistName(?albumArtist), ',') { ?album nmm:albumArtist 
?albumArtist }),
-                         (SELECT GROUP_CONCAT(nmm:artistName(?performer), ',') { ?song nmm:performer 
?performer })) AS ?performer
         COUNT(?song) AS ?childcount
         YEAR(MAX(nie:contentCreated(?song))) AS ?creation_date
     {
@@ -160,8 +158,6 @@ class Query():
         tracker:id(?album) AS ?id
         ?artist
         ?title
-        tracker:coalesce((SELECT GROUP_CONCAT(nmm:artistName(?albumArtist), ',') { ?album nmm:albumArtist 
?albumArtist }),
-                         (SELECT GROUP_CONCAT(nmm:artistName(?performer), ',') { ?song nmm:performer 
?performer })) AS ?performer
         COUNT(?song) AS ?childcount
         YEAR(MAX(nie:contentCreated(?song))) AS ?creation_date
     {