chore: 去除 gradle 的 proxy 配置，改为全局本地配置，防止 ci 运行失败

Author: Dedicatus546

gradle.properties

@@ -20,8 +20,4 @@ kotlin.code.style=official
 # Enables namespacing of each library's R class so that its R class includes only the
 # resources declared in the library itself and none from the library's dependencies,
 # thereby reducing the size of the R class for that library
-android.nonTransitiveRClass=true
-systemProp.http.proxyHost=127.0.0.1
-systemProp.http.proxyPort=10808
-systemProp.https.proxyHost=127.0.0.1
-systemProp.https.proxyPort=10808
+android.nonTransitiveRClass=true