Remove screen_name resource

src/main/res/values/strings.xml

@@ -2,7 +2,6 @@
 <resources>
 
   <string name="app_name">Shadowsocks</string>
-  <string name="screen_name" translatable="false">shadowsocks</string>
 
   <!-- global/misc category -->
   <string name="misc_cat">Misc</string>

src/main/scala/com/github/shadowsocks/Shadowsocks.scala

@@ -357,7 +357,7 @@ class Shadowsocks extends AppCompatActivity with ServiceBoundContext {
     setContentView(R.layout.layout_main)
     // Initialize Toolbar
     val toolbar = findViewById(R.id.toolbar).asInstanceOf[Toolbar]
-    toolbar.setTitle(getString(R.string.screen_name))
+    toolbar.setTitle("shadowsocks") // non-translatable logo
     toolbar.setTitleTextAppearance(toolbar.getContext, R.style.Toolbar_Logo)
     val field = classOf[Toolbar].getDeclaredField("mTitleTextView")
     field.setAccessible(true)