remove deprecated flatMap and fmap

sequence.ml

@@ -88,18 +88,14 @@ let concat s k = s (fun s' -> s' k)
 
 let flatten s = concat s
 
-let flatMap f seq k = seq (fun x -> f x k)
+let flat_map f seq k = seq (fun x -> f x k)
 
-let flat_map = flatMap
-
-let fmap f seq k =
+let filter_map f seq k =
   seq (fun x -> match f x with
       | None -> ()
       | Some y -> k y
     )
 
-let filter_map = fmap
-
 let intersperse elem seq k =
   let first = ref true in
   seq (fun x -> (if !first then first := false else k elem); k x)

sequence.mli

@@ -150,17 +150,11 @@ val concat : 'a t t -> 'a t
 val flatten : 'a t t -> 'a t
 (** Alias for {!concat} *)
 
-val flatMap : ('a -> 'b t) -> 'a t -> 'b t
-(** @deprecated use {!flat_map} since NEXT_RELEASE *)
-
 val flat_map : ('a -> 'b t) -> 'a t -> 'b t
 (** Monadic bind. Intuitively, it applies the function to every
     element of the initial sequence, and calls {!concat}.
     @since 0.5 *)
 
-val fmap : ('a -> 'b option) -> 'a t -> 'b t
-(** @deprecated use {!filter_map} since NEXT_RELEASE *)
-
 val filter_map : ('a -> 'b option) -> 'a t -> 'b t
 (** Map and only keep non-[None] elements
     @since 0.5 *)

sequenceLabels.mli

@@ -126,17 +126,12 @@ val concat : 'a t t -> 'a t
 val flatten : 'a t t -> 'a t
 (** Alias for {!concat} *)
 
-val flatMap : f:('a -> 'b t) -> 'a t -> 'b t
-(** @deprecated use {!flat_map} *)
-
 val flat_map : f:('a -> 'b t) -> 'a t -> 'b t
-(** Alias to {!flatMap} with a more explicit name *)
-
-val fmap : f:('a -> 'b option) -> 'a t -> 'b t
-(** @deprecated use {!filter_map} *)
+(** Monadic bind. Intuitively, it applies the function to every
+    element of the initial sequence, and calls {!concat}. *)
 
 val filter_map : f:('a -> 'b option) -> 'a t -> 'b t
-(** Alias to {!fmap} with a more explicit name *)
+(** Map and only keep non-[None] elements *)
 
 val intersperse : x:'a -> 'a t -> 'a t
 (** Insert the single element between every element of the sequence *)