Move some translations of invoice and bill to documents langugage file

resources/lang/en-GB/bills.php

@@ -49,9 +49,6 @@ return [
     ],
 
     'messages' => [
-        'marked_received'   => 'Bill marked as received!',
-        'marked_paid'       => 'Bill marked as paid!',
-        'marked_cancelled'  => 'Bill marked as cancelled!',
         'draft'             => 'This is a <b>DRAFT</b> bill and will be reflected to charts after it gets received.',
 
         'status' => [

resources/lang/en-GB/documents.php

@@ -0,0 +1,12 @@
+<?php
+
+return [
+    'messages' => [
+        'email_sent'        => ':type email has been sent!',
+        'marked_sent'       => ':type marked as sent!',
+        'marked_paid'       => ':type marked as paid!',
+        'marked_viewed'     => ':type marked as viewed!',
+        'marked_cancelled'  => ':type marked as cancelled!',
+        'marked_received'   => ':type marked as received!',
+    ],
+];

resources/lang/en-GB/invoices.php

@@ -53,11 +53,6 @@ return [
     ],
 
     'messages' => [
-        'email_sent'        => 'Invoice email has been sent!',
-        'marked_sent'       => 'Invoice marked as sent!',
-        'marked_paid'       => 'Invoice marked as paid!',
-        'marked_viewed'     => 'Invoice marked as viewed!',
-        'marked_cancelled'  => 'Invoice marked as cancelled!',
         'email_required'    => 'No email address for this customer!',
         'draft'             => 'This is a <b>DRAFT</b> invoice and will be reflected to charts after it gets sent.',