[connectionagent] Remove daemon from Qt 4 build again. Fixes Qt 4 packages.

This was removed in 1c48fd1537677fff27fe723813ab868c01b87d0d, and apparently
accidentally readded in 32c7c35f0177a3acfce7d1c2e84edcfa2457f699.
Merge pull request #8 from rburchell/master

Fix Qt 4 package builds