remove redundant cast where the type is enforced by an equality comparison

javascript/ql/lib/semmle/javascript/security/dataflow/Xss.qll

@@ -526,9 +526,7 @@ module ReflectedXss {
    * ```
    */
   predicate isLocalHeaderDefinition(HTTP::HeaderDefinition header) {
-    exists(ReachableBasicBlock headerBlock |
-      headerBlock = header.getBasicBlock().(ReachableBasicBlock)
-    |
+    exists(ReachableBasicBlock headerBlock | headerBlock = header.getBasicBlock() |
       1 =
         strictcount(HTTP::ResponseSendArgument sender |
           sender.getRouteHandler() = header.getRouteHandler() and

javascript/ql/test/library-tests/CFG/StaticInit.ql

@@ -4,5 +4,5 @@ from ClassDefinition class_, FieldDefinition field
 where
   class_.getAField() = field and
   field.isStatic() and
-  field.getInit().getFirstControlFlowNode().getAPredecessor*() = class_.(ControlFlowNode)
+  field.getInit().getFirstControlFlowNode().getAPredecessor*() = class_
 select field, "Field initializer occurs after its class is created"