Update config.json

config.json

@@ -24,7 +24,7 @@
                 8
             ]
         },
-        "observation.images.empty_camera_0": {
+        "observation.images.image3": {
             "type": "VISUAL",
             "shape": [
                 3,
@@ -198,7 +198,7 @@
         224
     ],
     "num_image_views": 3,
-    "empty_cameras": 1,
+    "empty_cameras": 0,
     "optimizer_lr": 0.0001,
     "optimizer_betas": [
         0.9,