Simplify definition of (legacy) `typed-scheme' language.

collects/typed-scheme/main.rkt

@@ -1,20 +1,5 @@
-#lang s-exp "minimal.rkt"
+#lang racket/base
+
+(require typed/scheme/base)
+(provide (all-from-out typed/scheme/base))
 
-(providing (libs (except scheme/base #%module-begin #%top-interaction with-handlers lambda #%app for for*))
-	   (basics #%module-begin #%top-interaction lambda #%app))
-(require typed-scheme/base-env/extra-procs
-         (rename-in
-           (except-in typed-scheme/base-env/prims
-             require-typed-struct
-             require/typed)
-           (require-typed-struct-legacy require-typed-struct)
-           (require/typed-legacy require/typed))
-         typed-scheme/base-env/base-types
-         typed-scheme/base-env/base-types-extra
-	 (for-syntax typed-scheme/base-env/base-types-extra))
-(provide (rename-out [define-type-alias define-type])
-         (all-from-out typed-scheme/base-env/prims)
-         (all-from-out typed-scheme/base-env/base-types)
-         (all-from-out typed-scheme/base-env/base-types-extra)
-	 assert defined? with-type for for*
-         (for-syntax (all-from-out typed-scheme/base-env/base-types-extra)))

collects/typed-scheme/scribblings/reference/compatibility-languages.scrbl

@@ -18,13 +18,12 @@ languages. The @racketmod[typed-scheme] language is equivalent to the
                      typed-scheme/base-env/base-types
                      typed-scheme/base-env/base-types-extra))
 
-@(define-syntax-rule (def-racket rts rt arr)
+@(define-syntax-rule (def-racket rts rt)
   (begin
-    (require (for-label (only-in typed/racket/base require-typed-struct require/typed ->)))
+    (require (for-label (only-in typed/racket/base require-typed-struct require/typed)))
-    (define arr (racket ->))
     (define rts (racket require-typed-struct))
     (define rt (racket require/typed))))
-@(def-racket rts-id rt-id ->-id)
+@(def-racket rts-id rt-id)
 
 
 @defform/subs[#:literals (struct opaque)