JS: Remove obsolete overlay[global] annotations

Author: asgerf

javascript/ql/lib/semmle/javascript/dataflow/DataFlow.qll

@@ -102,7 +102,6 @@ module DataFlow {
      * Holds if this data flow node accesses the global variable `g`, either directly
      * or through the `window` object.
      */
-    overlay[global]
     predicate accessesGlobal(string g) { globalVarRef(g).flowsTo(this) }
 
     /** Holds if this node may evaluate to the string `s`, possibly through local data flow. */

javascript/ql/lib/semmle/javascript/dataflow/Nodes.qll

@@ -791,7 +791,6 @@ ModuleImportNode dependencyModuleImport(Dependency dep) {
  * the given `path`, or accesses `m` as a member on a default or
  * namespace import from `path`.
  */
-overlay[global]
 DataFlow::SourceNode moduleMember(string path, string m) {
   result = moduleImport(path).getAPropertyRead(m)
 }