Remove reverse from the copy of http-multiple-get

This makes assumptions about the return value of the provided procedure, and
fails if it doesn't return a list.

guix-data-service/builds.scm

@@ -95,7 +95,7 @@ initial connection on which HTTP requests are sent."
           (()
            (match (drop requests processed)
              (()
-              (reverse result))
+              result)
              (remainder
               (connect port remainder result))))
           ((head tail ...)