C++: Avoid calling SwitchCase.getAStmt for performance reasons. This turns out to not be needed as the statements inside the switch case will get picked up by the BlockStmt.getAStmt case already.

cpp/ql/src/experimental/Security/CWE/CWE-570/IncorrectAllocationErrorHandling.ql

@@ -98,8 +98,6 @@ predicate stmtMayThrow(Stmt stmt) {
     stmtMayThrow(switchStmt.getStmt())
   )
   or
-  stmtMayThrow(stmt.(SwitchCase).getAStmt())
-  or
   // NOTE: We don't include `TryStmt` as those exceptions are not "observable" outside the function.
   stmtMayThrow(stmt.(Handler).getBlock())
   or