Fully remove PDF building support

Upstream has discontinued and remove support for local PDF building in
commit 561a83a29182b00bda9237ae30343d76a68dcdf4. Just remove remaining
bits, it is not likely to return.

bind9-next.spec

@@ -20,12 +20,6 @@
 %bcond_without DNSTAP
 %bcond_without LMDB
 %bcond_without DOC
-# Because of issues with PDF rebuild, include only HTML pages
-# Current error: unable top find isc-logo.pdf
-%if 0%{?fedora}
-# RHEL and ELN do not have all required packages
-%bcond_with    DOCPDF
-%endif
 %bcond_with    TSAN
 %bcond_without DTRACE
 
@@ -166,10 +160,6 @@ BuildRequires:  fstrm-devel protobuf-c-devel
 BuildRequires:  python3-sphinx python3-sphinx_rtd_theme
 BuildRequires:  doxygen
 %endif
-%if %{with DOCPDF}
-# Because remaining issues with COPR, allow turning off PDF (re)generation
-BuildRequires:  python3-sphinx-latex latexmk texlive-xetex texlive-xindy
-%endif
 %if %{with TSAN}
 BuildRequires: libtsan
 %endif
@@ -426,14 +416,6 @@ export LIBDIR_SUFFIX
   popd
 %endif
 
-%if %{with DOCPDF}
-# avoid using home for pdf latex files
-export TEXMFVAR="`pwd`"
-export TEXMFCONFIG="`pwd`"
-fmtutil-user --listcfg || :
-fmtutil-user --missing || :
-%endif
-
 %make_build SPHINX_W=''
 
 %if %{with DOC}
@@ -639,9 +621,6 @@ do
 done
 cp -p build/doc/arm/_build/epub/Bv9ARM.epub ${RPM_BUILD_ROOT}%{_pkgdocdir}
 %endif
-%if %{with DOCPDF}
-cp -p build/doc/arm/_build/latex/Bv9ARM.pdf ${RPM_BUILD_ROOT}%{_pkgdocdir}
-%endif
 
 # Ghost config files:
 touch ${RPM_BUILD_ROOT}%{_localstatedir}/log/named.log
@@ -965,9 +944,6 @@ fi;
 %doc %{_pkgdocdir}/Bv9ARM.html
 %doc %{_pkgdocdir}/Bv9ARM.epub
 %endif
-%if %{with DOCPDF}
-%doc %{_pkgdocdir}/Bv9ARM.pdf
-%endif
 
 %changelog
 %autochangelog