staging: vt665X: remove unused CONFIG_PATH

staging: vt665X: remove unused CONFIG_PATH

The vt6655 and vt6656 drivers have an unused CONFIG_PATH define floating
around in the code, but it is never used.  Remove it as drivers should
never be reading from config files anyway, even if these were valid
files.

Reported-by: Joe Perches <joe@perches.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20210729095812.1693061-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>