Use gofmt -s on sources

Brought to you by

	git ls-files \*.go | grep -Ev '/?vendor/' | xargs gofmt -w -s

I thought this should be caught by gofmt/gofumpt linters (that are part
of golangci-lint army) but I guess this did not happen because the
version of golangci-lint is a tad old.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

common/pkg/config/config_bsd.go

@@ -1,4 +1,4 @@
-//go:build (freebsd || netbsd || openbsd)
+//go:build freebsd || netbsd || openbsd
 
 package config
 

common/pkg/config/default_bsd.go

@@ -1,4 +1,4 @@
-//go:build (freebsd || netbsd || openbsd)
+//go:build freebsd || netbsd || openbsd
 
 package config