all: Format code with gofumpt

See https://github.com/mvdan/gofumpt

common/hugo/hugo_test.go

@@ -35,5 +35,4 @@ func TestHugoInfo(t *testing.T) {
 
 	devHugoInfo := NewInfo("development")
 	c.Assert(devHugoInfo.IsProduction(), qt.Equals, false)
-
 }

common/hugo/version.go

@@ -16,7 +16,6 @@ package hugo
 import (
 	"fmt"
 	"io"
-
 	"runtime"
 	"strings"
 
@@ -146,7 +145,6 @@ func BuildVersionString() string {
 	}
 
 	return fmt.Sprintf("%s %s %s BuildDate: %s", program, version, osArch, date)
-
 }
 
 func version(version float32, patchVersion int, suffix string) string {