Make SkGraphics::Term a no-op, stop calling it.

experimental/SimpleiOSApp/SimpleApp.mm

Index: experimental/SimpleiOSApp/SimpleApp.mm
diff --git a/experimental/SimpleiOSApp/SimpleApp.mm b/experimental/SimpleiOSApp/SimpleApp.mm
index 040472cfe371b61760bacde6b2ce19ff8ca5f0cf..14787fb9ab788dc6754aad9ba8eb898a7a94e280 100644
--- a/experimental/SimpleiOSApp/SimpleApp.mm
+++ b/experimental/SimpleiOSApp/SimpleApp.mm
@@ -26,7 +26,7 @@ protected:
         canvas->drawRect(r, p);
     }
 private:
-    typedef SkView INHERITED; 
+    typedef SkView INHERITED;
 };
 
 void application_init() {
@@ -35,7 +35,6 @@ void application_init() {
 }
 
 void application_term() {
-    SkGraphics::Term();
     SkEvent::Term();
 }