Add missing part of saa716x: i2c_del_adapter() fix

In linux-3.10 the return type of i2c_del_adapter() has changed to void. So remove
the error checking code.

Also in older kernels we should try to remove all i2c adapters, even if one
i2c_del_adapter() call fails.

Signed-off-by: Soeren Moch <smoch@web.de>
saa716x: Print EEPROM content on DEBUG verbosity only.

Signed-off-by: Andreas Regel <andreas.regel@gmx.de>