Remove deprecated -bs-super-errors option (#6814)

Author: cknitt

CHANGELOG.md

@@ -25,6 +25,7 @@
 - Remove handling of attributes with `bs.` prefix (`@bs.as` -> `@as` etc.). https://github.com/rescript-lang/rescript-compiler/pull/6643
 - Remove obsolete `@bs.open` feature. https://github.com/rescript-lang/rescript-compiler/pull/6629
 - Drop Node.js version <18 support, due to it reaching End-of-Life. https://github.com/rescript-lang/rescript-compiler/pull/6429
+- Remove deprecated -bs-super-errors option. https://github.com/rescript-lang/rescript-compiler/pull/6814
 
 #### :bug: Bug Fix
 

jscomp/bsc/rescript_compiler_main.ml

@@ -340,9 +340,6 @@ let buckle_script_flags : (string * Bsc_args.spec * string) array =
 
     (******************************************************************************)
 
-    "-bs-super-errors", unit_call (fun _ -> ()),
-    "*deprecated* Better error message combined with other tools ";
-
     "-unboxed-types", set Clflags.unboxed_types,
     "*internal* Unannotated unboxable types will be unboxed";