Update README to clarify package details

Removed redundant information about package extraction and persistence layer.

README.md

@@ -2,8 +2,6 @@
 
 Small Go library for querying Minecraft Java and Bedrock server status.
 
-The package is extracted from `DuExpBot/backend/pkg/mcstatus`, but without any app-specific model/database layer.
-
 ## Features
 
 - Java status ping
@@ -56,5 +54,4 @@ func main() {
 
 ## Notes
 
-- No GORM or persistence layer is included.
 - `ServerInfo` is a plain struct and can be stored however you want.