docs: Update

_docs/gen.go

@@ -27,29 +27,20 @@ import (
 	"strconv"
 	"strings"
 	"sync"
-
-	"github.com/hajimehoshi/ebiten/internal"
 )
 
 const (
-	url = "https://hajimehoshi.github.io/ebiten/"
+	url         = "https://hajimehoshi.github.io/ebiten/"
+	licenseYear = 2013
 )
 
 var (
 	examplesDir   = filepath.Join("public", "examples")
-	copyright     = ""
+	copyright     = fmt.Sprintf("© %d Hajime Hoshi", licenseYear)
 	stableVersion = ""
 	devVersion    = ""
 )
 
-func init() {
-	year, err := internal.LicenseYear()
-	if err != nil {
-		panic(err)
-	}
-	copyright = fmt.Sprintf("© %d Hajime Hoshi", year)
-}
-
 func init() {
 	b, err := exec.Command("git", "tag").Output()
 	if err != nil {

docs/index.html

@@ -35,7 +35,7 @@
 </div></header>
 
 <main><div class="container">
-  <p>Stable version: v1.7.1 / Development version: v1.8.0-alpha</p>
+  <p>Stable version: v1.7.2 / Development version: v1.8.0-alpha</p>
 
   <h2 id="platforms">Platforms</h2>
   <dl class="row">

internal/license.go

@@ -40,15 +40,3 @@ func LicenseComment() (string, error) {
 	lines := strings.Split(license, "\n")
 	return "// " + strings.Join(lines[:len(lines)-1], "\n// "), nil
 }
-
-func LicenseYear() (int, error) {
-	license, err := LicenseComment()
-	if err != nil {
-		return 0, err
-	}
-	year, err := strconv.Atoi(regexp.MustCompile(`^// Copyright (\d+)`).FindStringSubmatch(license)[1])
-	if err != nil {
-		return 0, err
-	}
-	return year, nil
-}