Changing unstable, xml, html, and web-server to be rackety

original commit: 7d1c7d874b6693e9d74722149a40ae43ac56e90f

collects/tests/typed-scheme/succeed/ann-map-funcs.ss

@@ -1,11 +0,0 @@
-#lang typed-scheme
-
-(: map-with-funcs (All (b a ...) ((a ... a -> b) * -> (a ... a -> (Listof b)))))
-
-(define (map-with-funcs . fs)
- (lambda as
-   (map (lambda: ([f : (a ... a -> b)])
-          (apply f as))
-        fs)))
-
-(ann (map-with-funcs + - * /) (Number Number * -> (Listof Number)))