feat: remove unused code and refact test (#701)

go.mod

@@ -28,7 +28,6 @@ require (
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.15.0
 	github.com/hnlq715/struct2interface v0.1.4
 	github.com/iancoleman/strcase v0.2.0
-	github.com/imdario/mergo v0.3.13
 	github.com/json-iterator/go v1.1.12
 	github.com/juju/ratelimit v1.0.2
 	github.com/labstack/echo/v4 v4.10.0
@@ -105,6 +104,7 @@ require (
 	github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00 // indirect
 	github.com/grokify/html-strip-tags-go v0.0.1 // indirect
 	github.com/hashicorp/golang-lru v0.5.4 // indirect
+	github.com/imdario/mergo v0.3.13 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
 	github.com/jtolds/gls v4.20.0+incompatible // indirect

pkg/util/xmap/util.go

@@ -17,7 +17,6 @@ package xmap
 import (
 	"fmt"
 	"reflect"
-	"strings"
 
 	xcast "github.com/spf13/cast"
 )
@@ -64,24 +63,6 @@ func ToMapStringInterface(src map[interface{}]interface{}) map[string]interface{
 	return tgt
 }
 
-// InsensitiviseMap insensitivise map
-func InsensitiviseMap(m map[string]interface{}) {
-	for key, val := range m {
-		switch val := val.(type) {
-		case map[interface{}]interface{}:
-			InsensitiviseMap(xcast.ToStringMap(val))
-		case map[string]interface{}:
-			InsensitiviseMap(val)
-		}
-
-		lower := strings.ToLower(key)
-		if key != lower {
-			delete(m, key)
-		}
-		m[lower] = val
-	}
-}
-
 // DeepSearchInMap deep search in map
 func DeepSearchInMap(m map[string]interface{}, paths ...string) map[string]interface{} {
 	//深度拷贝