Update cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowUtil.qll

Co-authored-by: Jonas Jensen <jbj@github.com>

Author: MathiasVP

cpp/ql/lib/semmle/code/cpp/ir/dataflow/internal/DataFlowUtil.qll

@@ -232,8 +232,6 @@ abstract class StoreNode extends Node {
 
   /**
    * Gets the `StoreNode` that computes the address used by this `StoreNode`.
-   * The boolean `readEffect` is `true` if the predecessor is accessed through the
-   * address of a `ReadSideEffectInstruction`.
    */
   abstract StoreNode getAPredecessor();