chore: 移除无用go-cache封装

go.mod

@@ -19,7 +19,6 @@ require (
 	github.com/matoous/go-nanoid/v2 v2.1.0
 	github.com/mojocn/base64Captcha v1.3.8
 	github.com/mssola/useragent v1.0.0
-	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/penglongli/gin-metrics v0.1.13
 	github.com/pkg/sftp v1.13.9
 	github.com/prometheus-community/pro-bing v0.7.0