Remove the obsolete string : IDS_LOCALE_GTK

chrome/app/resources/platform_locale_settings/locale_settings_cros_zh-TW.xtb

Index: chrome/app/resources/platform_locale_settings/locale_settings_cros_zh-TW.xtb
===================================================================
--- chrome/app/resources/platform_locale_settings/locale_settings_cros_zh-TW.xtb	(revision 156155)
+++ chrome/app/resources/platform_locale_settings/locale_settings_cros_zh-TW.xtb	(working copy)
@@ -8,15 +8,4 @@
 <translation id="IDS_SANS_SERIF_FONT_FAMILY">Droid Sans Fallback</translation>
 <translation id="IDS_MINIMUM_FONT_SIZE">12</translation>
 <translation id="IDS_MINIMUM_LOGICAL_FONT_SIZE">12</translation>
-<!-- TODO(jungshik): Change Song ASC to Droid Sans Fallback once we fix
-     bug 14691. Note that PMingLiU (another 'issue' to address) looks really
-     bad so we can't use it, either.
--->
-<translation id="IDS_LOCALE_GTKRC"> # gtkrc.zh-TW
-gtk-font-name="Noto Sans UI,Song ASC,sans-serif, 10"
-style "OverrideTooltipFontStyle" = "TooltipStyle" {
-  font_name = "Noto Sans UI,Song ASC,sans-serif, 10"
-}
-widget "gtk-tooltip*" style "OverrideTooltipFontStyle"
-</translation>
 </translationbundle>