staging: rtl8192e: Remove unused function dot11d_init()

staging: rtl8192e: Remove unused function dot11d_init()

The variable dot11d_info->channel_map is initialized in dot11d_init() and
in dot11d_channel_map(). dot11d_init() is called only once just before
dot11d_channel_map(). Therefore dot11d_init() can be removed.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/d2e8d81ec9eefc7b7eeb9f6fd6a28b28db6b40f0.1700431464.git.philipp.g.hortmann@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>