Doxygen: update config file

• add HGTD directory
• remove some deprecated settings causing warnings

Relates to ATLINFR-4985.

This merge request affects no known packages. Consult an expert!

This merge request affects 1 file:

• docs/doxyfile

Could not map the following files to a domain:

• docs/doxyfile

added main no-domain review-pending-level-1 labels

WARNING: big files (>100K) are found in the changeset

104K in file docs/doxyfile

CI Result SUCCESS (hash 30d66fb8)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 9181] (remote access info)

MR looks fine from L1 perspective, CI shows no problems - approving

Cheers, Qiyu, L1

removed review-pending-level-1 label

added review-approved label

mentioned in commit af2c4b6f

merged