Chore: remove unused key-value attribute feature (#3076)

Co-authored-by: Loyalsoldier <10487845+Loyalsoldier@users.noreply.github.com>

data/askdiandian

@@ -0,0 +1,3 @@
+# 点点 Ai
+askdiandian.com
+diandianlife.top

data/category-ai-cn

@@ -1,3 +1,4 @@
+include:askdiandian
 include:deepseek
 include:doubao
 include:trae # MarsCode

data/category-entertainment

@@ -19,6 +19,7 @@ include:copymanga
 include:dailymotion
 include:dandanzan
 include:dazn
+include:deezer
 include:deviantart
 include:discoveryplus
 include:disney

data/deezer

@@ -0,0 +1,2 @@
+deezer.com
+dzcdn.net

data/geolocation-!cn

@@ -322,5 +322,5 @@ include:windy
 include:xdty
 include:xingrz
 
-# 沉浸式翻译
+# 沉浸式翻译 (国际版)
 immersivetranslate.com

data/geolocation-cn

@@ -352,6 +352,8 @@ i8tq.com
 tq121.com.cn
 weather.com.cn
 weatherdt.com
+## 沉浸式翻译 (中国版)
+immersivetranslate.cn
 ## 掌阅
 ireader.com
 zhangyue.com

data/xiaohongshu

@@ -1,3 +1,6 @@
+include:askdiandian
+
 xhscdn.com
 xhscdn.net
+xhslink.com
 xiaohongshu.com

main.go

@@ -8,7 +8,6 @@ import (
 	"path/filepath"
 	"regexp"
 	"sort"
-	"strconv"
 	"strings"
 
 	router "github.com/v2fly/v2ray-core/v5/app/router/routercommon"
@@ -161,20 +160,8 @@ func parseAttribute(attr string) (*router.Domain_Attribute, error) {
 		return &attribute, fmt.Errorf("invalid attribute: %s", attr)
 	}
 
-	// Trim attribute prefix `@` character
-	attr = attr[1:]
-	parts := strings.Split(attr, "=")
-	if len(parts) == 1 {
-		attribute.Key = strings.ToLower(parts[0])
-		attribute.TypedValue = &router.Domain_Attribute_BoolValue{BoolValue: true}
-	} else {
-		attribute.Key = strings.ToLower(parts[0])
-		intv, err := strconv.Atoi(parts[1])
-		if err != nil {
-			return &attribute, fmt.Errorf("invalid attribute: %s: %v", attr, err)
-		}
-		attribute.TypedValue = &router.Domain_Attribute_IntValue{IntValue: int64(intv)}
-	}
+	attribute.Key = strings.ToLower(attr[1:]) // Trim attribute prefix `@` character
+	attribute.TypedValue = &router.Domain_Attribute_BoolValue{BoolValue: true}
 	return &attribute, nil
 }