Remove :erts from the list of applications, closes #14236

Author: josevalim

lib/mix/lib/mix/release.ex

@@ -153,7 +153,7 @@ defmodule Mix.Release do
       version_path: Path.join([path, "releases", version]),
       erts_source: erts_source,
       erts_version: erts_version,
-      applications: loaded_apps,
+      applications: Map.delete(loaded_apps, :erts),
       boot_scripts: %{start: start_boot, start_clean: start_clean_boot},
       config_providers: config_providers,
       options: opts,

lib/mix/test/mix/release_test.exs

@@ -80,6 +80,11 @@ defmodule Mix.ReleaseTest do
       assert release.applications.kernel[:otp_app?]
     end
 
+    test "does not include erts in applications" do
+      release = from_config!(nil, config(releases: [foo: [applications: [erts: :permanent]]]), [])
+      assert release.applications[:erts] == nil
+    end
+
     test "allows release to be given as an anonymous function" do
       release = from_config!(:foo, config(releases: [foo: fn -> [version: "0.2.0"] end]), [])
       assert release.name == :foo