File tuxguitar-do-not-force-java-1.5.patch of Package tuxguitar

Don't force compiling with JAVA 1.5

--- tuxguitar-1.4-src.org/TuxGuitar-viewer/build.xml
+++ tuxguitar-1.4-src/TuxGuitar-viewer/build.xml
@@ -6,8 +6,6 @@
 	</description>
 	
 	<property file="build.properties" />
-	<property name="ant.build.javac.source" value="1.5" />
-	<property name="ant.build.javac.target" value="1.5" />
 	
 	<property name="build.src.path" value="src${file.separator}" />
 	<property name="build.resource.path" value="resources${file.separator}" />