[docu] Use CMake-generated Doxyfile instead of hard-coded one #17426
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This Pull request:
Changes or fixes:
It's quite hard to have an overview of a 3k-line-long Doxyfile, and it needs constant commits "update to version 1.9.8", etc. I propose here instead to use a CMake-generated Doxyfile, where you only declare those flags that are different from the default values. (as found out by command
doxygen -x_noenv
on the preexisting Doxyfile)Checklist: