packit: remove --disable-doc

packit now has xmlto and can build the docs.

packit.yaml

@@ -7,7 +7,7 @@ actions:
     - sh -c 'sed "s/%{npm-version:.*}/0/; s/build_optional 0/build_optional 1/" tools/cockpit.spec > cockpit.spec'
     # this is being triggered immediately on a pull_request event; wait for
     # build-dist.yml to generate the dist tarball
-    - env AUTOGEN_CONFIGURE_ARGS='--disable-polkit --disable-ssh --disable-pcp --disable-doc --with-systemdunitdir=/invalid CPPFLAGS=-Itools/mock-build-env' PKG_CONFIG_PATH=tools/mock-build-env test/make_dist.py --wait
+    - env AUTOGEN_CONFIGURE_ARGS='--disable-polkit --disable-ssh --disable-pcp --with-systemdunitdir=/invalid CPPFLAGS=-Itools/mock-build-env' PKG_CONFIG_PATH=tools/mock-build-env test/make_dist.py --wait
     # packit service insists of a single line of output
     - sh -c 'ls cockpit-*.tar.xz'
 jobs: