Remove duplicate application cpp files in mojo/application.

mojo/services/network/android_hooks.cc

Index: mojo/services/network/android_hooks.cc
diff --git a/mojo/services/network/android_hooks.cc b/mojo/services/network/android_hooks.cc
index e8224023bca84f0710c4e5c2889df288ab0d8857..8f949f95c3e2a3b6dd3cd3605dd1ab0f36951617 100644
--- a/mojo/services/network/android_hooks.cc
+++ b/mojo/services/network/android_hooks.cc
@@ -35,7 +35,7 @@ JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
   }
 
   // There cannot be two AtExitManagers at the same time. Remove the one from
-  // LibraryLoader as ApplicationRunnerChromium also uses one.
+  // LibraryLoader as ApplicationRunner also uses one.
   base::android::LibraryLoaderExitHook();
 
   return JNI_VERSION_1_4;