run gofumpt cleanup across code-base (#14015)

cmd/xl-storage-format-utils_test.go

@@ -107,7 +107,6 @@ func Test_hashDeterministicString(t *testing.T) {
 			if got := hashDeterministicString(m); got == want {
 				t.Errorf("hashDeterministicString() = %v, does not want %v", got, want)
 			}
-
 		})
 	}
 }