remove junit test from default ant target -- can still be accessed th…

…rough `ant junit` #1149

build.xml

@@ -65,7 +65,7 @@
 
  <!-- clean previous build, compile Java source code, and Junit test, and make the beast.jar -->
  <target name="build_jar_all_BEAST"
- depends="clean,compile-all,junit,dist_all_BEAST"
+ depends="clean,compile-all,dist_all_BEAST"
  description="Clean and Build all run-time stuff">
  </target>