Use default network security configuration

app/src/main/res/xml/network_security_config.xml

@@ -1,8 +0,0 @@
-<network-security-config>
-  <base-config cleartextTrafficPermitted="true">
-    <trust-anchors>
-      <certificates src="system"/>
-      <certificates src="user"/>
-    </trust-anchors>
-  </base-config>
-</network-security-config>