Remove Config.syntax_kind.

Author: cristianoc

jscomp/bsc/rescript_compiler_main.ml

@@ -306,9 +306,6 @@ let buckle_script_flags : (string * Bsc_args.spec * string) array =
     "-unboxed-types", set Clflags.unboxed_types,
     "*internal* Unannotated unboxable types will be unboxed";
 
-    "-bs-ml-out", unit_call (fun _ -> Config.syntax_kind := `ml),
-    "*internal* Print compiler output in ML syntax";
-
     "-bs-D",  string_call define_variable,
     "Define conditional variable e.g, -D DEBUG=true";
 

jscomp/ext/config.ml

@@ -7,8 +7,6 @@ let standard_library =
 
 let standard_library_default = standard_library
 
-let syntax_kind = ref `ml
-
 let bs_only = ref true
 
 let unsafe_empty_array = ref false

jscomp/ext/config.mli

@@ -21,8 +21,6 @@ val version : string
 val standard_library : string
 (* The directory containing the standard libraries *)
 
-val syntax_kind : [ `ml | `rescript ] ref
-
 val bs_only : bool ref
 
 val unsafe_empty_array : bool ref