remove inline spelling directive
remove inline spelling directive

We have to use a word list because rtd.org doesn't support pyenchant
so we can't enable the builder all the time.

Change-Id: If6f598a2740dfe8b40eb7d190a05c559a01b838e
Signed-off-by: Doug Hellmann <0798ebecfb7bc4dfb9d0445c2fa030eb64e1fa1c@doughellmann.com>

sphinx-contrib/spelling,sphinx-contrib/spelling