Fix circular includes Rtypes.h/TGenericClassInfo.h [ROOT-10820] (#5780)
Fix circular includes Rtypes.h/TGenericClassInfo.h [ROOT-10820] (#5780)

* Fix circular includes Rtypes.h/TGenericClassInfo.h [ROOT-10820]

Make possible to include TGenericClassInfo.h directly

Co-authored-by: Philippe Canal <69612018eea270a331b01ca4491eb7b1b815033a@fnal.gov>

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