chore: remove unused string

app/src/main/res/values-es-rES/strings.xml

@@ -991,7 +991,6 @@
     <string name="add_remote_book">WebDavBook</string>
     <string name="bitmap_cache_size_summary">Current cache max size %1$s MB</string>
     <string name="bitmap_cache_size">bitmap cache size</string>
-    <string name="restart_to_apply_changes">Restart to apply changes</string>
     <string name="export_pics_file">Export Picture Files</string>
     <!-- string end -->
 

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

@@ -994,7 +994,6 @@
     <string name="add_remote_book">WebDavBook</string>
     <string name="bitmap_cache_size_summary">Current cache max size %1$s MB</string>
     <string name="bitmap_cache_size">bitmap cache size</string>
-    <string name="restart_to_apply_changes">Restart to apply changes</string>
     <string name="export_pics_file">Export Picture Files</string>
     <!-- string end -->
 

app/src/main/res/values-pt-rBR/strings.xml

@@ -994,7 +994,6 @@
     <string name="add_remote_book">WebDavBook</string>
     <string name="bitmap_cache_size_summary">Current cache max size %1$s MB</string>
     <string name="bitmap_cache_size">bitmap cache size</string>
-    <string name="restart_to_apply_changes">Restart to apply changes</string>
     <string name="export_pics_file">Export Picture Files</string>
     <!-- string end -->
 

app/src/main/res/values-zh-rHK/strings.xml

@@ -991,7 +991,6 @@
     <string name="add_remote_book">WebDav书籍</string>
     <string name="bitmap_cache_size_summary">当前最大缓存 %1$s MB</string>
     <string name="bitmap_cache_size">图片绘制缓存</string>
-    <string name="restart_to_apply_changes">重启应用更改</string>
     <string name="export_pics_file">TXT导出图片</string>
     <!-- string end -->
 

app/src/main/res/values-zh-rTW/strings.xml

@@ -993,7 +993,6 @@
     <string name="add_remote_book">WebDav书籍</string>
     <string name="bitmap_cache_size_summary">当前最大缓存 %1$s MB</string>
     <string name="bitmap_cache_size">图片绘制缓存</string>
-    <string name="restart_to_apply_changes">重启应用更改</string>
     <string name="export_pics_file">TXT导出图片</string>
     <!-- string end -->
 

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

@@ -993,7 +993,6 @@
     <string name="add_remote_book">WebDav书籍</string>
     <string name="bitmap_cache_size_summary">当前最大缓存 %1$s MB</string>
     <string name="bitmap_cache_size">图片绘制缓存</string>
-    <string name="restart_to_apply_changes">重启应用更改</string>
     <string name="export_pics_file">TXT导出图片</string>
     <!-- string end -->
 

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

@@ -994,7 +994,6 @@
     <string name="add_remote_book">WebDavBook</string>
     <string name="bitmap_cache_size_summary">Current cache max size %1$s MB</string>
     <string name="bitmap_cache_size">bitmap cache size</string>
-    <string name="restart_to_apply_changes">Restart to apply changes</string>
     <string name="export_pics_file">Export Picture Files</string>
     <!-- string end -->