server: drop blank lines
server: drop blank lines

Go convention has no blank line between thing, err := Fn() and a test of
if err != nil

gdbelvin/trillian,RJPercival/trillian,gtank/trillian,AlCutter/trillian,daviddrysdale/trillian,Martin2112/trillian,AlCutter/trillian,google/trillian,gdbelvin/trillian,codingllama/trillian,daviddrysdale/trillian,gtank/trillian,codingllama/trillian,daviddrysdale/trillian,Martin2112/trillian,google/trillian,RJPercival/trillian,gdbelvin/trillian,Martin2112/trillian