Remove unused module.

elm.json

@@ -17,7 +17,6 @@
         "Pages.Secrets",
         "Pages.Directory",
         "Pages.Platform",
-        "Pages.Internal",
         "Pages.Manifest",
         "Pages.Manifest.Category"
     ],

src/Pages/Internal.elm

@@ -1,34 +0,0 @@
-module Pages.Internal exposing
-    ( Internal
-    , ApplicationType(..)
-    )
-
-{-| You don't need to use this unless you want to play around with the internals of `elm-pages` to build
-a similar framework and hook into the low-level details. Otherwise, just grab the `Pages.Internal.Internal` value
-that is in the generated `Pages` module (see <Pages.Platform>).
-
-@docs Internal
-
-@docs ApplicationType
-
--}
-
-import Json.Decode
-import Json.Encode
-
-
-{-| Internal detail to track whether to run the CLI step or the runtime step in the browser.
--}
-type ApplicationType
-    = Browser
-    | Cli
-
-
-{-| This type is generated for you in your `gen/Pages.elm` module (see <Pages.Platform>).
--}
-type alias Internal pathKey =
-    { applicationType : ApplicationType
-    , pathKey : pathKey
-    , toJsPort : Json.Encode.Value -> Cmd Never
-    , fromJsPort : Sub Json.Decode.Value
-    }