Remove unused modal helpers

lib/music_library_web/components/core_components.ex

@@ -367,31 +367,6 @@ defmodule MusicLibraryWeb.CoreComponents do
     )
   end
 
-  def show_modal(js \\ %JS{}, id) when is_binary(id) do
-    js
-    |> JS.show(to: "##{id}")
-    |> JS.show(
-      to: "##{id}-bg",
-      time: 300,
-      transition: {"transition-all transform ease-out duration-300", "opacity-0", "opacity-100"}
-    )
-    |> show("##{id}-container")
-    |> JS.add_class("overflow-hidden", to: "body")
-    |> JS.focus_first(to: "##{id}-content")
-  end
-
-  def hide_modal(js \\ %JS{}, id) do
-    js
-    |> JS.hide(
-      to: "##{id}-bg",
-      transition: {"transition-all transform ease-in duration-200", "opacity-100", "opacity-0"}
-    )
-    |> hide("##{id}-container")
-    |> JS.hide(to: "##{id}", transition: {"block", "block", "hidden"})
-    |> JS.remove_class("overflow-hidden", to: "body")
-    |> JS.pop_focus()
-  end
-
   @doc """
   Translates an error message using gettext.
   """