Java: Clean up MVEL injection query

java/ql/src/experimental/Security/CWE/CWE-094/MvelInjection.qhelp

@@ -23,6 +23,7 @@ The following example uses untrusted data to build a MVEL expression
 and then runs it in the default powerfull context.
 </p>
 <sample src="UnsafeMvelExpressionEvaluation.java" />
+</example>
 
 <references>
 <li>

java/ql/src/experimental/Security/CWE/CWE-094/MvelInjectionLib.qll

@@ -100,10 +100,6 @@ predicate createCompiledAccExpressionStep(DataFlow::Node node1, DataFlow::Node n
   )
 }
 
-predicate test() {
-  exists(ConstructorCall cc | cc.getConstructedType() instanceof CompiledAccExpression)
-}
-
 /**
  * Holds if `node1` to `node2` is a dataflow step that compiles a MVEL expression
  * by calling `ExpressionCompiler.compile()`.