Minor: update rhino to 1.7.6

js/js.tests/testLib/src/closure-compiler_mod.txt

@@ -1,14 +0,0 @@
-1) Deleted package com.google.javascript.jscomp.ant to avoid dependency on ant.jar. 
-2) jarjar-ed it:
-    <target name="jarjarClosureCompiler">
-        <taskdef name="jarjar" classname="com.tonicsystems.jarjar.JarJarTask" classpath="${basedir}/dependencies/jarjar.jar"/>
-
-        <delete file="${output}/closure-compiler.jar" failonerror="false"/>
-        <jarjar jarfile="${output}/closure-compiler.jar">
-            <zipgroupfileset dir="${basedir}" includes="closure-compiler.jar" />
-
-            <rule pattern="com.google.common.**" result="closurecompiler.internal.com.google.common.@1"/>
-            <rule pattern="com.google.protobuf.**" result="closurecompiler.internal.com.google.protobuf.@1"/>
-            <rule pattern="org.mozilla.classfile.**" result="closurecompiler.internal.org.mozilla.classfile.@1"/>
-        </jarjar>
-    </target>