Remove warnings while rendering due to configuration file

[DanielSiepmann]

The following warnings are displayed while rendering:

warning: Tag 'TCL_SUBST' at line 226 of file '/mnt/doxyconf/Doxyfile' has become obsolete.
         To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"
warning: Tag 'CLANG_ASSISTED_PARSING' at line 1064 of file '/mnt/doxyconf/Doxyfile' belongs to an option that was not enabled at compile time.
         To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u", or recompile doxygen with this feature enabled.
warning: Tag 'CLANG_OPTIONS' at line 1072 of file '/mnt/doxyconf/Doxyfile' belongs to an option that was not enabled at compile time.
         To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u", or recompile doxygen with this feature enabled.
warning: Tag 'CLANG_DATABASE_PATH' at line 1082 of file '/mnt/doxyconf/Doxyfile' belongs to an option that was not enabled at compile time.
         To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u", or recompile doxygen with this feature enabled.
warning: Tag 'PERL_PATH' at line 2204 of file '/mnt/doxyconf/Doxyfile' has become obsolete.
         To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"                                                                                
warning: Tag 'MSCGEN_PATH' at line 2226 of file '/mnt/doxyconf/Doxyfile' has become obsolete.                                                                                                       
         To avoid this warning please remove this line from your configuration file or upgrade it using "doxygen -u"                                                                                
warning: argument 'a4wide' for option PAPER_TYPE is not a valid enum value                                                                                                                          
Using the default: a4!                                                                                                                                                                              
Doxygen version used: 1.8.18 

Source: https://bamboo.typo3.com/download/CORE-DAR-JOB1/build_logs/CORE-DAR-JOB1-5.log