dt-bindings: nfc: nxp,nci: drop Charles Gorand's mail

Mails to Charles get an auto reply, that he is no longer working at
Eff'Innov technologies. Remove the entry.

Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220628070959.187734-1-michael@walle.cc