[Android] Remove unused strings from the resource XML files.

Source/Android/res/values-ja/strings.xml

@@ -15,7 +15,6 @@
     <!-- Folder Browser -->
     <string name="current_dir">現在のディレクトリ： </string>
     <string name="parent_directory">親ディレクトリ</string>
-    <string name="folder">フォルダ</string>
     <string name="file_size">ファイルサイズ: </string>
     
     <!-- Game List Activity -->
@@ -24,7 +23,6 @@
     <string name="game_list">ゲームリスト</string>
     <string name="browse_folder">フォルダの参照</string>
     <string name="settings">設定</string>
-    <string name="gamepad_config">ゲームパッド設定</string>
     <string name="about">について</string>
 
     <!-- Game List Fragment -->
@@ -63,7 +61,6 @@
     <string name="c_stick_right">C-スティック: →</string>
     <string name="trigger_left">左のトリガー</string>
     <string name="trigger_right">右のトリガー</string>
-    <string name="press_button_to_config">%1$sを設定するにはボタンを押して</string>
     
     <!-- Prefs Fragment -->
     <string name="interpreter">Interpreter</string>

Source/Android/res/values/strings.xml

@@ -15,7 +15,6 @@
     <!-- Folder Browser -->
     <string name="current_dir">Current Dir: </string>
     <string name="parent_directory">Parent Directory</string>
-    <string name="folder">Folder</string>
     <string name="file_size">File Size: </string>
 
     <!-- Game List Activity -->
@@ -24,7 +23,6 @@
     <string name="game_list">Game List</string>
     <string name="browse_folder">Browse Folder</string>
     <string name="settings">Settings</string>
-    <string name="gamepad_config">Gamepad Config</string>
     <string name="about">About</string>
 
     <!-- Game List Fragment -->
@@ -63,7 +61,6 @@
     <string name="c_stick_right">C Stick Right</string>
     <string name="trigger_left">Trigger L</string>
     <string name="trigger_right">Trigger R</string>
-    <string name="press_button_to_config">Press button to configure %1$s</string>
 
     <!-- Preference Related -->
     <string name="interpreter">Interpreter</string>