Remove {input,output}_binary_int

stdlib/in_channel.mli

@@ -97,11 +97,6 @@ val input_line : t -> string option
     {!Sys.win32} is [true] in which case it is the sequence of characters
     [\r\n]. *)
 
-val input_binary_int : t -> int option
-(** Read an integer encoded in binary format (4 bytes, big-endian) from the
-    given input channel. See {!Out_channel.output_binary_int}.  Returns [None]
-    if the end of file was reached while reading the integer. *)
-
 val input : t -> bytes -> int -> int -> int
 (** [input ic buf pos len] reads up to [len] characters from the given channel
     [ic], storing them in byte sequence [buf], starting at character number

stdlib/out_channel.mli

@@ -118,12 +118,6 @@ val output_substring : t -> string -> int -> int -> unit
 (** Same as {!output} but take a string as argument instead of a byte
     sequence. *)
 
-val output_binary_int : t -> int -> unit
-(** Write one integer in binary format (4 bytes, big-endian) on the given output
-    channel.  The given integer is taken modulo 2{^32}.  The only reliable way
-    to read it back is through the {!In_channel.input_binary_int} function. The
-    format is compatible across all machines for a given version of OCaml. *)
-
 val set_binary_mode : t -> bool -> unit
 (** [set_binary_mode oc true] sets the channel [oc] to binary mode: no
     translations take place during output.