add pragma to internalBlocks predicate to fix performance

javascript/ql/src/semmle/javascript/dataflow/Configuration.qll

@@ -303,6 +303,7 @@ abstract class BarrierGuardNode extends DataFlow::Node {
    *
    * INTERNAL: this predicate should only be used from within `blocks(boolean, Expr)`.
    */
+  pragma[noinline,nomagic]
   predicate internalBlocks(DataFlow::Node nd, string label) {
     // 1) `nd` is a use of a refinement node that blocks its input variable
     exists(SsaRefinementNode ref, boolean outcome |

javascript/ql/src/semmle/javascript/security/dataflow/ExceptionXss.qll

@@ -125,7 +125,6 @@ module ExceptionXss {
 
     override predicate isSanitizer(DataFlow::Node node) { node instanceof Xss::Shared::Sanitizer }
 
-    cached
     override predicate isAdditionalFlowStep(
       DataFlow::Node pred, DataFlow::Node succ, DataFlow::FlowLabel inlbl,
       DataFlow::FlowLabel outlbl