Updated atlas.json

Author: ritaf-ORM

atlas.json

@@ -31,7 +31,6 @@
     "chapter_17_second_deploy.asciidoc",
     "part3.asciidoc",
     "chapter_18_spiking_custom_auth.asciidoc",
-    "chapter_19_mocking.asciidoc",
     "chapter_20_fixtures_and_wait_decorator.asciidoc",
     "chapter_21_server_side_debugging.asciidoc",
     "chapter_22_outside_in.asciidoc",
@@ -94,4 +93,4 @@
   "templating": false,
   "lang": "en",
   "accent_color": ""
-}
+}