Reblog content should be ""

Fixes #450

lib/pleroma/web/mastodon_api/views/status_view.ex

@@ -183,7 +183,7 @@ def render(
       in_reply_to_id: nil,
       in_reply_to_account_id: nil,
       reblog: reblogged,
-      content: reblogged[:content] || "",
+      content: "",
       created_at: created_at,
       reblogs_count: 0,
       replies_count: 0,

test/pleroma/web/activity_pub/object_validators/article_note_page_validator_test.exs

@@ -135,7 +135,7 @@ test "a misskey MFM status with a content field should work and be linked", _ do
       assert content =~ "@oops_not_a_mention"
 
       assert content =~
-               "<span class=\"mfm _mfm_jelly_\" style=\"display: inline-block; animation: 1s linear 0s infinite normal both running mfm-rubberBand;\">mfm goes here</span> </p>aaa"
+               "<span class=\"mfm _mfm_jelly_\">mfm goes here</span> </p>aaa"
 
       assert content =~ "some text<br/>newline"
     end

test/pleroma/web/mastodon_api/views/status_view_test.exs

@@ -594,6 +594,7 @@ test "a reblog" do
     represented = StatusView.render("show.json", %{for: user, activity: reblog})
 
     assert represented[:id] == to_string(reblog.id)
+    assert represented[:content] == ""
     assert represented[:reblog][:id] == to_string(activity.id)
     assert represented[:emojis] == []
     assert_schema(represented, "Status", Pleroma.Web.ApiSpec.spec())