disable HPACK tools explicitly at configure time

... so that we do not need to delete the tools after installation
in case jansson-devel is installed on the build host

nghttp2.spec

@@ -51,6 +51,7 @@ sed -e '1 s|^#!/.*python|&3|' -i script/fetch-ocsp-response
 
 %build
 %configure PYTHON=%{__python3}              \
+    --disable-hpack-tools                   \
     --disable-python-bindings               \
     --disable-static                        \
     --without-libxml2                       \
@@ -75,9 +76,6 @@ rm -f "$RPM_BUILD_ROOT%{_libdir}/libnghttp2.la"
 # will be installed via %%doc
 rm -f "$RPM_BUILD_ROOT%{_datadir}/doc/nghttp2/README.rst"
 
-# suddenly appeared in nghttp2-1.35.1
-rm -f "$RPM_BUILD_ROOT%{_bindir}"/{de,in}flatehd
-
 %ldconfig_scriptlets -n libnghttp2
 
 %post