Bug 263457 [trunk] duplicated entry of chrome.xpt

patch by t-matsuu@estyle.ne.jp r=dveditz sr=dveditz

xpinstall/packager/packages-unix

@@ -208,7 +208,6 @@ bin/components/xpcom_ds.xpt
 bin/components/xpcom_io.xpt
 bin/components/xpcom_obsolete.xpt
 bin/components/xpconnect.xpt
-bin/components/chrome.xpt
 bin/components/docshell.xpt
 bin/components/jsurl.xpt
 bin/components/layout_base.xpt