remove unimportant examples

README.md

@@ -56,30 +56,6 @@ func main() {
 }
 ```
 
-Using a customized shards count.
-```go
-cache := lru.New[string, int](8192, lru.WithShards[string, int](64))
-
-cache.Set("foobar", 42, 3*time.Second)
-println(cache.Get("foobar"))
-```
-
-Using a customized hasher function.
-```go
-hasher := func(key string) (hash uint64) {
-	hash = 5381
-	for _, c := range []byte(key) {
-		hash = hash*33 + uint64(c)
-	}
-	return
-}
-
-cache := lru.New[string, int](8192, lru.WithHasher[string, int](hasher))
-
-cache.Set("foobar", 42, 3*time.Second)
-println(cache.Get("foobar"))
-```
-
 Using as a sliding cache.
 ```go
 cache := lru.New[string, int](8192, lru.WithSilding(true))