[tracker] build: Fix docs build

[Sam Thursfield <sthursfield src gnome org>]

commit 20b52dc7cdce200771c4ce5a495fb32c2ee539ad
Author: Sam Thursfield <sam afuera me uk>
Date:   Sat Oct 17 15:19:54 2020 +0200

    build: Fix docs build
    
    It broke after c32f172f1b48f6cfe9845ca233f643bde81abd0c.

 docs/reference/libtracker-sparql/meson.build | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/docs/reference/libtracker-sparql/meson.build b/docs/reference/libtracker-sparql/meson.build
index dbe544851..994cb3c31 100644
--- a/docs/reference/libtracker-sparql/meson.build
+++ b/docs/reference/libtracker-sparql/meson.build
@@ -50,7 +50,6 @@ gnome.gtkdoc('libtracker-sparql',
         'overview.xml',
         'examples.xml',
         'ontologies.xml',
-        'private-store.xml',
         'migrating-1to2.xml',
         'sparql-and-tracker.xml',
         'sparql-functions.xml',