dt/vendor-prefixes: remove redundant vendor

78668d8 dt/bindings: add bindings for optee
introduce a redundant vendor
+licheepi       Lichee Pi
Need to remove it.

Reported-by: Victor Chong <victor.chong@linaro.org>
Signed-off-by: Alex Shi <alex.shi@linaro.org>

Author: Alex Shi

Documentation/devicetree/bindings/vendor-prefixes.txt

@@ -127,7 +127,6 @@ lacie	LaCie
 lantiq	Lantiq Semiconductor
 lenovo	Lenovo Group Ltd.
 lg	LG Corporation
-licheepi	Lichee Pi
 linaro	Linaro Limited
 linux	Linux-specific binding
 lsi	LSI Corp. (LSI Logic)