[gcompris] instruments activities: fixed makefiles.

[Bruno Coudoin <bcoudoin src gnome org>]

commit 7084afef1fc207a54bc4cb905c2365682396281a
Author: Bruno Coudoin <bruno coudoin free fr>
Date:   Sun Apr 15 22:10:23 2012 +0200

    instruments activities: fixed makefiles.

 .../resources/instruments/Makefile.am              |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/src/instruments-activity/resources/instruments/Makefile.am b/src/instruments-activity/resources/instruments/Makefile.am
index 8b9f21c..79c1a34 100644
--- a/src/instruments-activity/resources/instruments/Makefile.am
+++ b/src/instruments-activity/resources/instruments/Makefile.am
@@ -42,8 +42,6 @@ img_DATA = \
 	snare_drum.svg \
 	tambourine.ogg \
 	tambourine.svg \
-	bass_drum.ogg \
-	bass_drum.svg \
 	timpani.ogg \
 	timpani.svg \
 	triangle.ogg \