[Code] Remove game names from code comments (most of at least)

src/xenia/kernel/xam/apps/xgi_app.cc

@@ -98,7 +98,7 @@ X_HRESULT XgiApp::DispatchMessageSync(uint32_t message, uint32_t buffer_ptr,
       return X_E_SUCCESS;
     }
     case 0x000B0014: {
-      // Gets Jetpac XBLA in game
+      // Gets 584107FB in game.
       // get high score table?
       XELOGD("XGI_unknown");
       return X_STATUS_SUCCESS;

src/xenia/kernel/xam/apps/xlivebase_app.cc

@@ -66,7 +66,7 @@ X_HRESULT XLiveBaseApp::DispatchMessageSync(uint32_t message,
       return X_E_FAIL;
     }
     case 0x00058046: {
-      // Required to be successful for Forza 4 to detect signed-in profile
+      // Required to be successful for 4D530910 to detect signed-in profile
       // Doesn't seem to set anything in the given buffer, probably only takes
       // input
       XELOGD("XLiveBaseUnk58046({:08X}, {:08X}) unimplemented", buffer_ptr,