docs/conf.py: Disable unused _static directory

We don't yet have any custom static files, so disable this
config file setting to avoid a warning from sphinx about
not being able to find the directory.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: NAlex Bennée <alex.bennee@linaro.org>
Acked-by: NAleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: NRichard Henderson <richard.henderson@linaro.org>
Message-id: 20190305172139.32662-5-peter.maydell@linaro.org
Message-id: 20190228145624.24885-5-peter.maydell@linaro.org

docs/conf.py

@@ -93,7 +93,11 @@ html_theme = 'alabaster'
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+# QEMU doesn't yet have any static files, so comment this out so we don't
+# get a warning about a missing directory.
+# If we do ever add this then it would probably be better to call the
+# subdirectory sphinx_static, as the Linux kernel does.
+# html_static_path = ['_static']
 
 # Custom sidebar templates, must be a dictionary that maps document names
 # to template names.