remove unneeded return value from c.Networks()

We do not need to return a extra bool.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

libpod/container.go

@@ -1166,19 +1166,19 @@ func (c *Container) Secrets() []*ContainerSecret {
 // is joining the default CNI network - the network name will be included in the
 // returned array of network names, but the container did not explicitly join
 // this network.
-func (c *Container) Networks() ([]string, bool, error) {
+func (c *Container) Networks() ([]string, error) {
 	if !c.batched {
 		c.lock.Lock()
 		defer c.lock.Unlock()
 
 		if err := c.syncContainer(); err != nil {
-			return nil, false, err
+			return nil, err
 		}
 	}
 
 	networks, err := c.networks()
 	if err != nil {
-		return nil, false, err
+		return nil, err
 	}
 
 	names := make([]string, 0, len(networks))
@@ -1187,7 +1187,7 @@ func (c *Container) Networks() ([]string, bool, error) {
 		names = append(names, name)
 	}
 
-	return names, false, nil
+	return names, nil
 }
 
 // NetworkMode gets the configured network mode for the container.

pkg/domain/filters/containers.go

@@ -241,7 +241,7 @@ func GenerateContainerFilterFuncs(filter string, filterValues []string, r *libpo
 				return false
 			}
 
-			networks, _, err := c.Networks()
+			networks, err := c.Networks()
 			// if err or no networks, quick out
 			if err != nil || len(networks) == 0 {
 				return false

pkg/domain/filters/pods.go

@@ -134,7 +134,7 @@ func GeneratePodFilterFunc(filter string, filterValues []string) (
 			if err != nil {
 				return false
 			}
-			networks, _, err := infra.Networks()
+			networks, err := infra.Networks()
 			// if err or no networks, quick out
 			if err != nil || len(networks) == 0 {
 				return false

pkg/domain/infra/abi/network.go

@@ -71,7 +71,7 @@ func (ic *ContainerEngine) NetworkRm(ctx context.Context, namesOrIds []string, o
 		}
 		// We need to iterate containers looking to see if they belong to the given network
 		for _, c := range containers {
-			networks, _, err := c.Networks()
+			networks, err := c.Networks()
 			// if container vanished or network does not exist, go to next container
 			if errors.Is(err, define.ErrNoSuchNetwork) || errors.Is(err, define.ErrNoSuchCtr) {
 				continue
@@ -152,7 +152,7 @@ func (ic *ContainerEngine) NetworkPrune(ctx context.Context, options entities.Ne
 	// containers want
 	networksToKeep := make(map[string]bool)
 	for _, c := range cons {
-		nets, _, err := c.Networks()
+		nets, err := c.Networks()
 		if err != nil {
 			return nil, err
 		}

pkg/domain/infra/abi/pods.go

@@ -376,7 +376,7 @@ func (ic *ContainerEngine) PodPs(ctx context.Context, options entities.PodPSOpti
 			if err != nil {
 				return nil, err
 			}
-			networks, _, err = infra.Networks()
+			networks, err = infra.Networks()
 			if err != nil {
 				return nil, err
 			}

pkg/ps/ps.go

@@ -207,7 +207,7 @@ func ListContainerBatch(rt *libpod.Runtime, ctr *libpod.Container, opts entities
 		return entities.ListContainer{}, err
 	}
 
-	networks, _, err := ctr.Networks()
+	networks, err := ctr.Networks()
 	if err != nil {
 		return entities.ListContainer{}, err
 	}