Revert "another small fix for new expander"

This reverts commit 15539736d2.

pollen/private/cache-utils.rkt

@@ -59,15 +59,14 @@
              (raise-argument-error 'path->hash "symbols for doc and meta key" (cons doc-key meta-key)))
            ;; new namespace forces `dynamic-require` to re-instantiate 'path'
            ;; otherwise it gets cached in current namespace.
-           (define new-ns (make-base-namespace))
-           (namespace-attach-module (namespace-anchor->namespace cache-utils-module-ns) 'pollen/setup new-ns)
-           (parameterize ([current-namespace new-ns]
+           (parameterize ([current-namespace (make-base-namespace)]
                           [current-directory path-dir])
              ;; I monkeyed around with using the metas submodule to pull out the metas (for speed)
              ;; but in practice most files get their doc requested too.
              ;; so it's just simpler to get both at once and be done with it.
              ;; the savings of avoiding two cache fetches at the outset outweighs
              ;; the benefit of not reloading doc when you just need metas.
+             (namespace-attach-module (namespace-anchor->namespace cache-utils-module-ns) 'pollen/setup) ; brings in params
              (define doc-missing-thunk (λ () ""))
              (define metas-missing-thunk (λ () (hasheq)))
              (list doc-key (dynamic-require path doc-key doc-missing-thunk)

pollen/private/ts.rktd

@@ -1 +1 @@
-1525627598
+1525128463