staging: r8188eu: remove defines for efuse type

We've removed all code to handle efuse types. The last step is to
remove the defines for bt and wifi efuse types.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20211113185518.23941-11-martin@kaiser.cx


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>