staging: comedi: no need to zero out comedi_file_info_table[]
In the comedi core module, `comedi_file_info_table[]` is tentatively
defined in the .bss section, so will already be zeroed out on
initialization. Don't bother zeroing it out again in the module
initialization function `comedi_init()`.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>