Simplify the apr_read_type_e vs. ap_input_mode_t silliness. The two

are compatible (due to our early abort when PEEK mode is requested),
so we don't have to go to so much effort to convert from one to the other.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@90530 13f79535-47bb-0310-9956-ffa450edef68