dw2102: don't output spurious blank lines to the kernel log

The DW2102 DVB-S/S2 driver uses the info() logging function from
dvb-usb.h. This function already appends a newline to the provided log
message, causing the dmesg output from DW2102 to include blank lines.
Fix this by removing the newline in the calls to info().

Signed-off-by: Jonathan McDowell <noodles@earth.li>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>