Bug 1235740 - Remove warning for missing Oculus VR Library from terminal output, as it is spammy and not necessary r=dholbert

--HG--
extra : rebase_source : 751b010bda82f69c3e700fc0ed2a25bd375ccdc7

gfx/vr/gfxVROculus.cpp

@@ -149,7 +149,6 @@ InitializeOculusCAPI()
     }
 
     if (!ovrlib) {
-      printf_stderr("Failed to load Oculus VR library!\n");
       return false;
     }
   }

gfx/vr/gfxVROculus050.cpp

@@ -153,7 +153,6 @@ InitializeOculusCAPI()
     }
 
     if (!ovrlib) {
-      printf_stderr("Failed to load Oculus VR library!\n");
       return false;
     }
   }