Revert "Show confetti when adding a record"

Shows up too often

assets/js/app.js

@@ -66,7 +66,6 @@ window.addEventListener("music_library:confetti", (_event) => {
   confetti({
     particleCount: 100,
     spread: 200,
-    zIndex: 1500,
   });
 });
 

lib/music_library_web/components/add_record_component.ex

@@ -97,11 +97,7 @@ defmodule MusicLibraryWeb.AddRecordComponent do
               tabindex="0"
               id={"actions-#{@release_group.id}-#{format}-import"}
               phx-click={
-                JS.dispatch("music_library:confetti")
-                |> JS.push("import",
-                  value: %{id: @release_group.id, format: format},
-                  page_loading: true
-                )
+                JS.push("import", value: %{id: @release_group.id, format: format}, page_loading: true)
               }
             >
               {format_label(format)}