C#/Java: Remove cached from wrapper predicate

Author: jbj

csharp/ql/src/semmle/code/csharp/dataflow/internal/DataFlowPrivate.qll

@@ -220,6 +220,14 @@ module LocalFlow {
   }
 }
 
+/**
+ * Holds if data flows from `nodeFrom` to `nodeTo` in exactly one local
+ * (intra-procedural) step.
+ */
+predicate localFlowStepImpl(Node nodeFrom, Node nodeTo) {
+  simpleLocalFlowStep(nodeFrom, nodeTo)
+}
+
 /** A collection of cached types and predicates to be evaluated in the same stage. */
 cached
 private module Cached {
@@ -249,15 +257,6 @@ private module Cached {
     } or
     TMallocNode(ControlFlow::Nodes::ElementNode cfn) { cfn.getElement() instanceof ObjectCreation }
 
-  /**
-   * Holds if data flows from `nodeFrom` to `nodeTo` in exactly one local
-   * (intra-procedural) step.
-   */
-  cached
-  predicate localFlowStepImpl(Node nodeFrom, Node nodeTo) {
-    simpleLocalFlowStep(nodeFrom, nodeTo)
-  }
-
   /**
    * INTERNAL: do not use.
    *

java/ql/src/semmle/code/java/dataflow/internal/DataFlowUtil.qll

@@ -350,7 +350,6 @@ predicate hasNonlocalValue(FieldRead fr) {
 /**
  * Holds if data can flow from `node1` to `node2` in one local step.
  */
-cached
 predicate localFlowStep(Node node1, Node node2) {
   simpleLocalFlowStep(node1, node2)
 }