Removed old bakefile cruft by doing a bakefile_gen -f autoconf -c followed

Removed old bakefile cruft by doing a bakefile_gen -f autoconf -c followed
by a bakefile_gen -f autoconf.  I then hand edited the file to add
back in the dnl ### begin block 00_header ### line, the
BAKEFILE_AUTOCONF_INC_M4_VERSION="0.1.4" line (confusingly only generated by
a CVS copy newer than 0.1.4) and remove the dnl Conditions: line.

This file's size is now less than half of what it was!

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31181 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775