Remove specified value step from additional taint step

java/ql/src/experimental/Security/CWE/CWE-073/FilePathInjection.ql

@@ -28,10 +28,6 @@ class InjectFilePathConfig extends TaintTracking::Configuration {
     not sink instanceof NormalizedPathNode
   }
 
-  override predicate isAdditionalTaintStep(DataFlow::Node pred, DataFlow::Node succ) {
-    any(AdditionalValueStep r).step(pred, succ)
-  }
-
   override predicate isSanitizer(DataFlow::Node node) {
     exists(Type t | t = node.getType() | t instanceof BoxedType or t instanceof PrimitiveType)
   }