Manually setting preferred version/provider is not required so remove that for 'go'.
(From OE-Core rev: f01aa20752a4435dd10a523aa01d40addb1cd8d0)
Signed-off-by: Randy MacLeod <Randy.MacLeod@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>