Remove unused indirection

Signed-off-by: Marek Kubica <[email protected]>

Author: Leonidas-from-XIV

src/dune_pkg/lock_dir.ml

@@ -869,7 +869,7 @@ module Pkg = struct
   ;;
 
   (* More general version of [files_dir] which works on generic paths *)
-  let files_dir_generic package_name maybe_package_version ~lock_dir =
+  let files_dir package_name maybe_package_version ~lock_dir =
     (* TODO(steve): Once portable lockdirs are enabled by default, make the
        package version non-optional *)
     let extension = ".files" in
@@ -884,11 +884,6 @@ module Pkg = struct
          ^ extension)
   ;;
 
-  (* TODO remove *)
-  let files_dir package_name maybe_package_version ~lock_dir =
-    files_dir_generic package_name maybe_package_version ~lock_dir
-  ;;
-
   let source_files_dir package_name maybe_package_version ~lock_dir =
     let source = in_source_tree lock_dir in
     let package_name = Package_name.to_string package_name in
@@ -1494,7 +1489,7 @@ module Write_disk = struct
               let maybe_package_version =
                 if portable_lock_dir then Some package_version else None
               in
-              Pkg.files_dir_generic
+              Pkg.files_dir
                 package_name
                 maybe_package_version
                 ~lock_dir:lock_dir_path