cache中的DeleteHandler参数问题，看起来像是实现错了

[gukc007]

Question

Options的定义
ErrorHandler func(key string, err error)
ChangeHandler func(key string, oldData, newData interface{})
DeleteHandler func(key string, oldData interface{})

ChangeHandler的oldData和newData参数，在代码中代表的是具体的val
https://github.com/bytedance/gopkg/blob/56322a7411cd51804be11e99f2349d290b0ab898/cache/asynccache/asynccache.go#L359C1-L363C4

DeleteHandler中的oldData参数，在代码中代表的是entry
https://github.com/bytedance/gopkg/blob/56322a7411cd51804be11e99f2349d290b0ab898/cache/asynccache/asynccache.go#L322C1-L327C4