Remove screen flicker fix required by IE 6.

See also:

* http://dean.edwards.name/my/flicker.html
* http://web.archive.org/web/20060423132436/http://www.fivesevensix.com/studies/ie6flicker/

Ref: #3.

.htaccess

@@ -107,18 +107,6 @@ Options -MultiViews
 #   Header set P3P "policyref=\"/w3c/p3p.xml\", CP=\"IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT\""
 # </IfModule>
 
-# ------------------------------------------------------------------------------
-# | Screen flicker                                                             |
-# ------------------------------------------------------------------------------
-
-# Stop screen flicker in IE on CSS rollovers (this only works in
-# combination with the `ExpiresByType` directives for images from below).
-
-# BrowserMatch "MSIE" brokenvary=1
-# BrowserMatch "Mozilla/4.[0-9]{2}" brokenvary=1
-# BrowserMatch "Opera" !brokenvary
-# SetEnvIf brokenvary 1 force-no-vary
-
 
 # ##############################################################################
 # # MIME TYPES AND ENCODING                                                    #

CHANGELOG.md

@@ -1,7 +1,9 @@
 ### HEAD
 
+* Remove `screen flicker` fix required by IE 6.
+
 ### 1.1.0 (July 27, 2013)
 
-* Remove Chrome Frame HTTP header hint
+* Remove Chrome Frame HTTP header hint.
 
 ### 1.0.0 (July 27, 2013)