semaphore: do not build docs

There are other CI runs that build manpages, speed up build which is close to 1hr limit

(cherry picked from commit d58a904)
(cherry picked from commit 966d8a9)
(cherry picked from commit 0c6e525)
(cherry picked from commit ece14d9)
(cherry picked from commit 7efc395)

Author: bluca

.semaphore/semaphore-runner.sh

@@ -102,9 +102,9 @@ EOF
             # now build the package and run the tests
             rm -rf "$ARTIFACTS_DIR"
             # autopkgtest exits with 2 for "some tests skipped", accept that
-            sudo TMPDIR=/var/tmp "$AUTOPKGTEST_DIR/runner/autopkgtest" --env DEB_BUILD_OPTIONS="noudeb nostrip optimize=-lto" \
+            sudo TMPDIR=/var/tmp "$AUTOPKGTEST_DIR/runner/autopkgtest" --env DEB_BUILD_OPTIONS="noudeb nostrip nodoc optimize=-lto" \
                                                        --env DPKG_DEB_COMPRESSOR_TYPE="none" \
-                                                       --env DEB_BUILD_PROFILES="noudeb" \
+                                                       --env DEB_BUILD_PROFILES="noudeb nodoc" \
                                                        --env TEST_UPSTREAM=1 \
                                                        ../systemd_*.dsc \
                                                        -o "$ARTIFACTS_DIR" \