6745048: Unnecessary surfix "(O)" in JFileChooser open button text

Reviewed-by: yhuang

src/share/classes/com/sun/swing/internal/plaf/basic/resources/basic_ja.properties

@@ -67,7 +67,7 @@ FileChooser.updateButtonText=\u66f4\u65b0(U)
 FileChooser.updateButtonMnemonic=85
 FileChooser.helpButtonText=\u30d8\u30eb\u30d7(H)
 FileChooser.helpButtonMnemonic=72
-FileChooser.directoryOpenButtonText=\u958b\u304f(O)
+FileChooser.directoryOpenButtonText=\u958b\u304f
 FileChooser.directoryOpenButtonMnemonic=79
 
 # File Size Units

src/share/classes/com/sun/swing/internal/plaf/basic/resources/basic_ko.properties

@@ -67,7 +67,7 @@ FileChooser.updateButtonText=\uc5c5\ub370\uc774\ud2b8(U)
 FileChooser.updateButtonMnemonic=85
 FileChooser.helpButtonText=\ub3c4\uc6c0\ub9d0(H)
 FileChooser.helpButtonMnemonic=72
-FileChooser.directoryOpenButtonText=\uc5f4\uae30(O)
+FileChooser.directoryOpenButtonText=\uc5f4\uae30
 FileChooser.directoryOpenButtonMnemonic=79
 
 # File Size Units

src/share/classes/com/sun/swing/internal/plaf/basic/resources/basic_zh_CN.properties

@@ -67,7 +67,7 @@ FileChooser.updateButtonText=\u66f4\u65b0(U)
 FileChooser.updateButtonMnemonic=85
 FileChooser.helpButtonText=\u5e2e\u52a9(H)
 FileChooser.helpButtonMnemonic=72
-FileChooser.directoryOpenButtonText=\u6253\u5f00(O)
+FileChooser.directoryOpenButtonText=\u6253\u5f00
 FileChooser.directoryOpenButtonMnemonic=79
 
 # File Size Units

src/share/classes/com/sun/swing/internal/plaf/basic/resources/basic_zh_TW.properties

@@ -67,7 +67,7 @@ FileChooser.updateButtonText=\u66f4\u65b0(U)
 FileChooser.updateButtonMnemonic=85
 FileChooser.helpButtonText=\u8aaa\u660e(H)
 FileChooser.helpButtonMnemonic=72
-FileChooser.directoryOpenButtonText=\u958b\u555f(O)
+FileChooser.directoryOpenButtonText=\u958b\u555f
 FileChooser.directoryOpenButtonMnemonic=79
 
 # File Size Units