groupcache: fix unhandled error warning

Signed-off-by: Alejandro Mery <[email protected]>

x/groupcache/groupcache.go

@@ -183,7 +183,7 @@ func (g *Group) Get(ctx context.Context, key string, sink cache.Sink) error {
 
 // Remove removes an entry from the Group
 func (g *Group) Remove(ctx context.Context, key string) {
- g.g.Remove(ctx, key)
+ _ = g.g.Remove(ctx, key)
 }
 
 // Stats returns stats about the Group