Cut SharedPromise::setException overload taking std::exception_ptr

Summary:
[Folly] Cut `SharedPromise::setException` overload taking `std::exception_ptr`.

It is from a time before `exception_wrapper`.

Reviewed By: marshallcline

Differential Revision: D8132039

fbshipit-source-id: eb82f6b766fd5cf82443ef447bbc751e7319f0ab

folly/futures/SharedPromise-inl.h

@@ -80,11 +80,6 @@ SharedPromise<T>::setException(E const& e) {
   setTry(Try<T>(e));
 }
 
-template <class T>
-void SharedPromise<T>::setException(std::exception_ptr const& ep) {
-  setTry(Try<T>(ep));
-}
-
 template <class T>
 void SharedPromise<T>::setException(exception_wrapper ew) {
   setTry(Try<T>(std::move(ew)));

folly/futures/SharedPromise.h

@@ -72,18 +72,8 @@ class SharedPromise {
   /** Fulfill the SharedPromise with an exception_wrapper */
   void setException(exception_wrapper ew);
 
-  /** Fulfill the SharedPromise with an exception_ptr, e.g.
-    try {
-      ...
-    } catch (...) {
-      p.setException(std::current_exception());
-    }
-    */
-  [[deprecated("use setException(exception_wrapper)")]]
-  void setException(std::exception_ptr const&);
-
   /** Fulfill the SharedPromise with an exception type E, which can be passed to
-    std::make_exception_ptr(). Useful for originating exceptions. If you
+    make_exception_wrapper(). Useful for originating exceptions. If you
     caught an exception the exception_wrapper form is more appropriate.
     */
   template <class E>