PeerProfileCollection: remove verbose qDebug

I forgot to remove this qDebug before submitting the patch which
introduced it.

Change-Id: I14cf6b6ae9b5b3689a38d8947547b08d5a25fa19
Reviewed-by: Nicolas Jäger <nicolas.jager@savoirfairelinux.com>

src/peerprofilecollection.cpp

@@ -175,7 +175,6 @@ bool PeerProfileCollection::load()
         // no other interactions with these CMs
         auto lastUsed = QFileInfo(filePath).lastModified();
         for (auto cm : personProfile->phoneNumbers()) {
-            qDebug() << "ppc setting last used" << personProfile << cm << lastUsed;
             cm->setLastUsed(lastUsed.toTime_t());
         }
     }