Address review comments

Author: Sudha247

.gitignore

@@ -1,6 +1,7 @@
 # Dune artifacts
 _build/
 dune.lock
+dev-tools.locks
 
 # Local OPAM switch
 _opam/

dev-tools.locks/ocamlformat/lock.dune

@@ -4,16 +4,9 @@
  (name pinned_opam_repository)
  (url git+https://github.com/ocaml/opam-repository#584630e7a7e27e3cf56158696a3fe94623a0cf4f))
 
-(pin
-(name olinkcheck)
- (url "git+https://github.com/tarides/olinkcheck")
- (package
-  (name olinkcheck)))
-
 (repository (name pinned_overlay_repository) (url git+https://github.com/ocaml-dune/opam-overlays#2a9543286ff0e0656058fee5c0da7abc16b8717d))
 
 (lock_dir
   (repositories pinned_opam_repository pinned_overlay_repository)
-  (pins olinkcheck)
    (version_preference newest)
   )