Remove untranslatable string

app/src/main/res/values-de/strings.xml

@@ -406,7 +406,6 @@
     <string name="clipboard_gallery_url_snack_action">Gehen</string>
     <string name="settings_advanced_read_cache_size">Größe des Lesezwischenspeichers</string>
     <string name="settings_advanced_built_in_hosts_title">Standard-hosts.txt</string>
-    <string name="settings_about_declaration" translatable="false">EhViewer</string>
     <string name="settings_about_declaration_summary">EhViewer verbindet sich in keiner Weise mit E-Hentai.org.</string>
     <string name="settings_about_source">Quellcode</string>
     <string name="settings_about_version">Versionnummer</string>

app/src/main/res/values-ja/strings.xml

@@ -429,7 +429,6 @@
     <string name="settings_advanced_import_data_successfully">データをインポートしました</string>
 
     <string name="settings_about">このアプリについて</string>
-    <string name="settings_about_declaration" translatable="false">EhViewer</string>
     <string name="settings_about_declaration_summary">EhViewerはE-Hentai.orgと一切の関係がございません。</string>
     <string name="settings_about_author">開発者</string>
     <string name="settings_about_latest_release">最新バージョン</string>

app/src/main/res/values-th/strings.xml

@@ -438,7 +438,6 @@
     <string name="settings_advanced_import_data_successfully">การนำเข้าข้อมูลสำเร็จ</string>
 
     <string name="settings_about">เกี่ยวกับ</string>
-    <string name="settings_about_declaration" translatable="false">EhViewer</string>
     <string name="settings_about_declaration_summary">EhViewer ไม่มีความแตกต่างจากตัวเว็บ E-Hentai.org แต่อย่างใด</string>
     <string name="settings_about_author">นักพัฒนา</string>
     <string name="settings_about_source">ซอร์สโค้ด</string>