switched to navigation-react-native

seems much simpler, but now i may need some other deps...

android/app/src/main/java/com/subsonify/MainActivity.java

@@ -1,7 +1,6 @@
 package com.subsonify;
 
 import com.facebook.react.ReactActivity;
-import android.os.Bundle;
 
 public class MainActivity extends ReactActivity {
 
@@ -13,9 +12,4 @@ public class MainActivity extends ReactActivity {
   protected String getMainComponentName() {
     return "SubSonify";
   }
-
-  @Override
-  protected void onCreate(Bundle savedInstanceState) {
-      super.onCreate(null);
-  }
 }