Fix 2 occurrences of sort-with-keyed-comparator-to-sort-by-key

This `sort` expression can be replaced with a simpler, equivalent expression.

Author: resyntax-ci[bot]

typed-racket-lib/typed-racket/rep/prop-rep.rkt

@@ -143,8 +143,7 @@
   [#:for-each (f) (for-each f ps)]
   [#:custom-constructor/contract
    (-> (listof (or/c TypeProp? NotTypeProp? LeqProp?)) OrProp?)
-   (let ([ps (sort ps (λ (p q) (unsafe-fx<= (eq-hash-code p)
-                                            (eq-hash-code q))))])
+   (let ([ps (sort ps unsafe-fx<= #:key eq-hash-code)])
      (intern-single-ref!
       orprop-intern-table
       ps

typed-racket-lib/typed-racket/rep/type-rep.rkt

@@ -1813,7 +1813,7 @@
 
 ;; sorts the given field of a Row by the member name
 (define (sort-row-clauses clauses)
-  (sort clauses (λ (x y) (symbol<? (car x) (car y)))))
+  (sort clauses symbol<? #:key car))
 
 (define-match-expander Class:*
   (λ (stx)