QCamera2: avoid leaking device code names to JPEG EXIF

Bug: 28721107
Change-Id: I7fa1087b21739aee30ed82e6fb1c42161163ee57
diff --git a/QCamera2/HAL3/QCamera3PostProc.cpp b/QCamera2/HAL3/QCamera3PostProc.cpp
index 82e513e..6daadc7 100644
--- a/QCamera2/HAL3/QCamera3PostProc.cpp
+++ b/QCamera2/HAL3/QCamera3PostProc.cpp
@@ -46,7 +46,6 @@
 #include "mm_camera_dbg.h"
 }
 
-#define ENABLE_MODEL_INFO_EXIF
 
 namespace qcamera {