cmd/syncthing: Don't compact database at startup

This happens automatically in the background anyway, and it can take a
long time on low powered devices at an inconvenient time. We just want
to get up and running as quickly as possible.

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/3000

cmd/syncthing/main.go

@@ -662,13 +662,6 @@ func syncthingMain(runtimeOptions RuntimeOptions) {
 		}
 	}
 
-	// Pack and optimize the database
-	if err := ldb.Compact(); err != nil {
-		// I don't think this is fatal, but who knows. If it is, we'll surely
-		// get an error when trying to write to the db later.
-		l.Infoln("Compacting database:", err)
-	}
-
 	m := model.NewModel(cfg, myID, myDeviceName(cfg), "syncthing", Version, ldb, protectedFiles)
 	cfg.Subscribe(m)