[gnome-books] build: remove more autotools leftovers

[Bastien Nocera <hadess src gnome org>]

commit 9d804d30d2bbad6fb2a15d62f210ea7f93890d75
Author: Jeremy Bicha <jbicha debian org>
Date:   Sat Mar 2 19:35:20 2019 -0500

    build: remove more autotools leftovers

 src/Makefile-js.am  | 15 ------------
 src/Makefile-lib.am | 70 -----------------------------------------------------
 src/config.js.in    |  3 ---
 src/meson.build     |  1 -
 4 files changed, 89 deletions(-)
---
diff --git a/src/meson.build b/src/meson.build
index b4099718..a1f57b47 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -1,4 +1,3 @@
-# FIXME: are config.js and path.js (missing) not needed anymore?
 '''
 js_conf = configuration_data()
 js_conf.set('PACKAGE_NAME', meson.project_name())