Merge pull request #48 from Charroja/master

Fix anti-pattern

server/torr/storage/torrstor/cache.go

@@ -82,9 +82,7 @@ func (c *Cache) Piece(m metainfo.Piece) storage.PieceImpl {
 
 func (c *Cache) Close() error {
 	log.TLogln("Close cache for:", c.hash)
-	if _, ok := c.storage.caches[c.hash]; ok {
-		delete(c.storage.caches, c.hash)
-	}
+	delete(c.storage.caches, c.hash)
 	c.pieces = nil
 
 	c.muReaders.Lock()

server/torr/torrent.go

@@ -359,9 +359,7 @@ func (t *Torrent) Close() {
 	t.Stat = state.TorrentClosed
 
 	t.bt.mu.Lock()
-	if _, ok := t.bt.torrents[t.Hash()]; ok {
-		delete(t.bt.torrents, t.Hash())
-	}
+	delete(t.bt.torrents, t.Hash())
 	t.bt.mu.Unlock()
 
 	t.drop()