[gnome-books] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 63abe1c528841dc9aa7f398cd975af0c41a31fbf
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sat Jan 26 13:14:19 2019 +0100

    Update POTFILES.in

 po/POTFILES.in | 3 ---
 1 file changed, 3 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index ece86fa6..bb35e9a7 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -3,9 +3,6 @@
 data/org.gnome.Books.appdata.xml.in
 data/org.gnome.Books.desktop.in
 data/org.gnome.books.gschema.xml
-data/org.gnome.Documents.appdata.xml.in
-data/org.gnome.Documents.desktop.in
-data/org.gnome.documents.gschema.xml
 data/ui/books-app-menu.ui
 data/ui/documents-app-menu.ui
 data/ui/help-overlay.ui