Don't mount volumes to releaseCommandMachine

From my understanding after reading the code, lalunchInput is just the machine used for the release command.
We aren't supposed to mount volumes to them anyway, so this should be fine.
Should fix #1752

internal/command/deploy/machines.go

@@ -624,11 +624,6 @@ func (md *machineDeployment) resolveUpdatedMachineConfig(origMachineRaw *api.Mac
 
 	if origMachineRaw.Config.Mounts != nil {
 		launchInput.Config.Mounts = origMachineRaw.Config.Mounts
-	} else if md.appConfig.Mounts != nil {
-		launchInput.Config.Mounts = []api.MachineMount{{
-			Path:   md.volumeDestination,
-			Volume: md.volumes[0].ID,
-		}}
 	}
 
 	if len(launchInput.Config.Mounts) == 1 && launchInput.Config.Mounts[0].Path != md.volumeDestination {