Use translation for spam check error

app/models/concerns/spammable.rb

@@ -84,7 +84,8 @@ module Spammable
   end
 
   def unrecoverable_spam_error!
-    self.errors.add(:base, "Your #{spammable_entity_type} has been recognized as spam and has been discarded.")
+    self.errors.add(:base, _("Your %{spammable_entity_type} has been recognized as spam and has been discarded.") \
+                    % { spammable_entity_type: spammable_entity_type })
   end
 
   def spammable_entity_type

locale/gitlab.pot

@@ -43417,6 +43417,9 @@ msgstr ""
 msgid "Your %{plan} subscription expires on %{expiry_date}"
 msgstr ""
 
+msgid "Your %{spammable_entity_type} has been recognized as spam and has been discarded."
+msgstr ""
+
 msgid "Your %{spammable_entity_type} has been recognized as spam. Please, change the content or solve the reCAPTCHA to proceed."
 msgstr ""