[PATCH] color: drop useless override of ui.popbuffer()

[Yuya Nishihara]

# HG changeset patch
# User Yuya Nishihara <yuya at tcha.org>
# Date 1449326471 -32400
#      Sat Dec 05 23:41:11 2015 +0900
# Node ID 95adb7bad8aa2d7bee699aeaacf0372ed23041b5
# Parent  094073353710dad068f30a8e4d1d2524e5dc34ca
color: drop useless override of ui.popbuffer()

Because labels are applied at write() time since 717b75ae5bb0,
colorui.popbuffer() is useless and it doesn't update _bufferapplylabels
correctly. Removing it should fix the problem.

diff --git a/hgext/color.py b/hgext/color.py
--- a/hgext/color.py
+++ b/hgext/color.py
@@ -419,13 +419,6 @@ def configstyles(ui):
             _styles[status] = ' '.join(good)
 
 class colorui(uimod.ui):
-    def popbuffer(self):
-        if self._colormode is None:
-            return super(colorui, self).popbuffer()
-
-        self._bufferstates.pop()
-        return ''.join(self._buffers.pop())
-
     _colormode = 'ansi'
     def write(self, *args, **opts):
         if self._colormode is None: