remove Plausible Team footer from self-hosted emails (#3980)

* remove Plausible Team footer from self-hosted

* don't test unsubscribe placeholder in small build

lib/plausible_web/templates/layout/base_email.html.eex

@@ -4,12 +4,12 @@
 <%= @inner_content %>
 <br /><br />
 
-Regards,<br />
+<%= if full_build?() do %>Regards,<br />
 The Plausible Team 💌
-<br /><br />
+<br /><br /><% end %>
 
 --
 <br /><br />
 <%= link(plausible_url(), to: plausible_url()) %><br />
 
-{{{ pm:unsubscribe }}}
+<%= if full_build?() do %>{{{ pm:unsubscribe }}}<% end %>

lib/plausible_web/templates/layout/priority_email.html.eex

@@ -4,9 +4,9 @@
 <%= @inner_content %>
 <br /><br />
 
-Regards,<br />
+<%= if full_build?() do %>Regards,<br />
 The Plausible Team 💌
-<br /><br />
+<br /><br /><% end %>
 
 --
 <br /><br />

test/plausible_web/email_test.exs

@@ -31,6 +31,7 @@ defmodule PlausibleWeb.EmailTest do
       assert email.html_body =~ plausible_link()
     end
 
+    @tag :full_build_only
     test "renders unsubscribe placeholder" do
       email =
         Email.base_email()