Update preprocessor_config.json

preprocessor_config.json

@@ -14,9 +14,5 @@
     0.5
   ],
   "resample": 2,
-  "rescale_factor": 0.00392156862745098,
-  "size": {
-    "height": 224,
-    "width": 224
-  }
+  "size": 224
 }