Allow cleartext traffic

Since the idea is for anyone to host their own server, forcing them to use SSL seems a bit heavy-handed, even if it's maybe not a bad idea.

android/src/main/AndroidManifest.xml

@@ -11,7 +11,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
-        android:networkSecurityConfig="@xml/network_security_config"
+        android:usesCleartextTraffic="true"
         tools:ignore="GoogleAppIndexingWarning"
         tools:targetApi="n">
         <activity

android/src/main/res/xml/network_security_config.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!-- Used to allow connections to http://localhost on developer machine -->
-<network-security-config>
-    <domain-config cleartextTrafficPermitted="true">
-        <domain includeSubdomains="true">10.0.2.2</domain>
-    </domain-config>
-</network-security-config>