Removed apr_bucket_do_create() macro, which was causing warnings

about unreachable code in some compilers (notably MSVC).  What
used to be done by this macro is now done inline in the various
apr_bucket_foo_create() functions.  [Cliff Woolley]


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@88811 13f79535-47bb-0310-9956-ffa450edef68