re-enable running git-daemon tests on CI

It became clear that the issue was home-made. The remote interactions of
the 'free' variants never terminated the connection, which could have left
the daemon hanging.

It might have filled up its 32 slots, leading to rejection later, maybe.

tests/journey/gix.sh

@@ -109,7 +109,7 @@ title "gix (with repository)"
 
         # for some reason, on CI the daemon always shuts down before we can connect,
         # or isn't actually ready despite having accepted the first connection already.
-        (not_on_ci with "git:// protocol"
+        (with "git:// protocol"
           launch-git-daemon
           (with "version 1"
             it "generates the correct output" && {
@@ -278,7 +278,7 @@ title "gix commit-graph"
           )
         )
         fi
-        (not_on_ci with "git:// protocol"
+        (with "git:// protocol"
           launch-git-daemon
           (with "version 1"
             (with "NO output directory"