增加websocket支持

vendor/github.com/bytedance/sonic/internal/rt/fastvalue.go

@@ -211,33 +211,3 @@ func findReflectRtypeItab() *GoItab {
     v := reflect.TypeOf(struct{}{})
     return (*GoIface)(unsafe.Pointer(&v)).Itab
 }
-
-func AssertI2I2(t *GoType, i GoIface) (r GoIface) {
-    inter := IfaceType(t)
-	tab := i.Itab
-	if tab == nil {
-		return
-	}
-	if (*GoInterfaceType)(tab.it) != inter {
-		tab = Getitab(inter, tab.Vt, true)
-		if tab == nil {
-			return
-		}
-	}
-	r.Itab = tab
-	r.Value = i.Value
-	return
-}
-
-//go:noescape
-//go:linkname Getitab runtime.getitab
-func Getitab(inter *GoInterfaceType, typ *GoType, canfail bool) *GoItab
-
-
-func GetFuncPC(fn interface{}) uintptr {
-    ft := UnpackEface(fn)
-    if ft.Type.Kind() != reflect.Func {
-        panic("not a function")
-    }
-    return *(*uintptr)(ft.Value)
-}