revert ns-info deep merge from analyze parse 'ns case - not needed

Author: swannodette

src/main/clojure/cljs/analyzer.cljc

@@ -3166,16 +3166,7 @@
              :requires       requires
              :renames        (merge renames core-renames)
              :imports        imports}]
-        (swap! env/*compiler* update-in [::namespaces name]
-          (fn [the-ns]
-            ;; just merge - do not replace - then macros can emit
-            ;; modifications to the ns
-            (reduce-kv
-              (fn [the-ns k v]
-                (if (map? v)
-                  (update the-ns k merge v)
-                  (assoc the-ns k v)))
-              the-ns ns-info)))
+        (swap! env/*compiler* update-in [::namespaces name] merge ns-info)
         (merge {:op      :ns
                 :env     env
                 :form    form