Revert of Disable AcceptEx on Win32 Apache (patchset #1 id:1 of...

Revert of Disable AcceptEx on Win32 Apache (patchset #1 id:1 of https://codereview.chromium.org/695193006/)

Reason for revert:
It was not the culprit of the serviceworker test flakiness.

Original issue's description:
> Disable AcceptEx on Win32 Apache
> 
> Some layout tests time out since the switch to apache server, with
> AcceptEx failures logged on error log. This may fix the issue.
> 
> BUG=30536, 431172
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=185174

TBR=dpranke@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=30536, 431172

Review URL: https://codereview.chromium.org/734553002

git-svn-id: svn://svn.chromium.org/blink/trunk@185411 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/LayoutTests/http/conf/win-httpd.conf

@@ -2,7 +2,6 @@ Timeout 300
 KeepAlive On
 MaxKeepAliveRequests 100
 KeepAliveTimeout 15
-Win32DisableAcceptEx
 
 LoadModule alias_module modules/mod_alias.so
 LoadModule asis_module modules/mod_asis.so