docs: todo: avoid leaking build details, link only

One can just search for them... If really wanted, we could set it to
true for dev builds (i.e., no DEB_VERSION defined)

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

docs/conf.py

@@ -45,8 +45,11 @@ PygmentsBridge.latex_formatter = CustomLatexFormatter
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
+
 extensions = ["sphinx.ext.graphviz", "sphinx.ext.todo"]
 
+todo_link_only = True
+
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']