.github/workflows: Summarize github-DOCS errors and warnings

[e10harvey]

Summary of changes

- .github/workflows: Summarize github-DOCS errors and warnings

- docs: Remove unsupported Doxyfile.in tags

Fixes #1804.

What the failures output looks like now (from https://github.com/kokkos/kokkos-kernels/actions/runs/4883464802/jobs/8714834928?pr=1814:

Run echo "Redirecting full output to doxygen.out..."
Redirecting full output to doxygen.out...
---- BEGIN: Summary of errors ---- 
---- END: Summary of errors ---- 


---- BEGIN: Summary of warnings ---- 
Generating docs f/home/runner/work/kokkos-kernels/kokkos-kernels/kokkos-kernels/sparse/src/KokkosSparse_par_ilut.hpp:73: warning: The following parameter of KokkosSparse::Experimental::par_ilut_symbolic(KernelHandle *handle, ARowMapType &A_rowmap, AEntriesType &A_entries, LRowMapType &L_rowmap, URowMapType &U_rowmap) is not documented:
Generating XML output for class KokkosBatched::TeamHadamardProd/home/runner/work/kokkos-kernels/kokkos-kernels/kokkos-kernels/sparse/src/KokkosSparse_par_ilut.hpp:73: warning: The following parameter of KokkosSparse::Experimental::par_ilut_symbolic(KernelHandle *handle, ARowMapType &A_rowmap, AEntriesType &A_entries, LRowMapType &L_rowmap, URowMapType &U_rowmap) is not documented:
---- END: Summary of warnings ---- 
Error: Process completed with exit code 1.

Leaving the AT: WIP label applied since other CI checks are not affected by these changes.

[e10harvey]

@cwpearson, @lucbv: ready to merge?

[cwpearson]

I think this will be a nice help!