Clean up some unused methods from ApplicationManager

mojo/runner/child_process.cc

Index: mojo/runner/child_process.cc
diff --git a/mojo/runner/child_process.cc b/mojo/runner/child_process.cc
index 8c62fdb7e5edbb51a11d77ff154cfa785ada4726..dc9b59f2a77cbfe5ac52fe6c376847fef41178f5 100644
--- a/mojo/runner/child_process.cc
+++ b/mojo/runner/child_process.cc
@@ -288,12 +288,8 @@ int ChildProcessMain() {
   base::NativeLibrary app_library = 0;
   if (command_line.HasSwitch(switches::kChildProcess)) {
     // Load the application library before we engage the sandbox.
-    mojo::shell::NativeApplicationCleanup cleanup =
-        command_line.HasSwitch(switches::kDeleteAfterLoad)
-            ? mojo::shell::NativeApplicationCleanup::DELETE
-            : mojo::shell::NativeApplicationCleanup::DONT_DELETE;
     app_library = mojo::runner::LoadNativeApplication(
-        command_line.GetSwitchValuePath(switches::kChildProcess), cleanup);
+        command_line.GetSwitchValuePath(switches::kChildProcess));
 
 #if defined(OS_LINUX) && !defined(OS_ANDROID)
     if (command_line.HasSwitch(switches::kEnableSandbox)) {