Revert "Merge pull request #4325 from flycash/revert1"

This reverts commit fad897346f, reversing
changes made to e284b0ddae.

adapter/cache/ssdb/ssdb.go

@@ -0,0 +1,15 @@
+package ssdb
+
+import (
+	"github.com/astaxie/beego/adapter/cache"
+	ssdb2 "github.com/astaxie/beego/client/cache/ssdb"
+)
+
+// NewSsdbCache create new ssdb adapter.
+func NewSsdbCache() cache.Cache {
+	return cache.CreateNewToOldCacheAdapter(ssdb2.NewSsdbCache())
+}
+
+func init() {
+	cache.Register("ssdb", NewSsdbCache)
+}