Remove the bitfield spec from the http_ctx_t.state enum

as it causes an error-prone mismatch between the enum values and the
state values.  Caused a busy loop in windows.  

Added in r1484852 and trunk-only.

Submitted By: Edward Lu, Yann Ylavic
Committed By: covener



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1653539 13f79535-47bb-0310-9956-ffa450edef68