ocaml-language-server does not exist anymore (#2165)

The Github link is 404, the author has moved accounts and the new
account does not have this repo.

It can be said that this language server is dead and gone, no need to
list it anymore and create potential confusion.

Author: Leonidas-from-XIV

_implementors/servers.md

@@ -167,7 +167,6 @@ index: 1
 | Nginx | [pappasam](https://github.com/pappasam) | [nginx-language-server](https://github.com/pappasam/nginx-language-server) | Python |
 | [Nim](https://nim-lang.org/) | [Peter Munch-Ellingsen](https://github.com/PMunch) | [nimlsp](https://github.com/PMunch/nimlsp) | Nim |
 | [Nobl9 YAML](https://docs.nobl9.com/yaml-guide) | [Nobl9](https://www.nobl9.com/) | [nobl9-vscode](https://github.com/nobl9/nobl9-vscode/) | Go |
-| OCaml/Reason | [freebroccolo](https://github.com/freebroccolo) | [ocaml-language-server](https://github.com/freebroccolo/ocaml-language-server) | TypeScript |
 | OCaml/Reason | [OCaml Labs](http://ocamllabs.io) | [ocamllsp](https://github.com/ocaml/ocaml-lsp) | OCaml |
 | [Odin](https://odin-lang.org) | [Daniel Gavin](https://github.com/DanielGavin/) | [ols](https://github.com/DanielGavin/ols) | Odin | 
 | [OpenAPI](https://www.openapis.org/) | [AML](https://a.ml/) | [AML Language Server](https://github.com/aml-org/als) | ScalaJS |