all: Format code with gofumpt

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

hugolib/hugo_sites_multihost_test.go

@@ -13,7 +13,7 @@ func TestMultihosts(t *testing.T) {
 
 	c := qt.New(t)
 
-	var configTemplate = `
+	configTemplate := `
 paginate = 1
 disablePathToLower = true
 defaultContentLanguage = "fr"
@@ -116,5 +116,4 @@ languageName = "Nynorsk"
 	c.Assert(len(bundleFr.Resources()), qt.Equals, 1)
 	b.AssertFileContent("public/fr/bundles/b1/logo.png", "PNG Data")
 	b.AssertFileContent("public/fr/bundles/b1/index.html", " image/png: /bundles/b1/logo.png")
-
 }