Revert "fix bundle metadata errors (#734)"

This reverts commit 2e876cb.

Author: yiheng-wang-nv

modules/bundle/spleen_segmentation/configs/metadata.json

@@ -16,7 +16,7 @@
     "authors": "MONAI team",
     "copyright": "Copyright (c) MONAI Consortium",
     "data_source": "Task09_Spleen.tar from http://medicaldecathlon.com/",
-    "data_type": "nibabel",
+    "data_type": "dicom",
     "image_classes": "single channel data, intensity scaled to [0, 1]",
     "label_classes": "single channel data, 1 is spleen, 0 is everything else",
     "pred_classes": "2 channels OneHot data, channel 1 is spleen, channel 0 is background",
@@ -32,20 +32,19 @@
         "inputs": {
             "image": {
                 "type": "image",
-                "format": "hounsfield",
-                "modality": "CT",
+                "format": "magnitude",
                 "num_channels": 1,
                 "spatial_shape": [
-                    96,
-                    96,
-                    96
+                    160,
+                    160,
+                    160
                 ],
                 "dtype": "float32",
                 "value_range": [
                     0,
                     1
                 ],
-                "is_patch_data": true,
+                "is_patch_data": false,
                 "channel_def": {
                     "0": "image"
                 }
@@ -54,20 +53,19 @@
         "outputs": {
             "pred": {
                 "type": "image",
-                "format": "hounsfield",
-                "modality": "CT",
+                "format": "segmentation",
                 "num_channels": 2,
                 "spatial_shape": [
-                    96,
-                    96,
-                    96
+                    160,
+                    160,
+                    160
                 ],
                 "dtype": "float32",
                 "value_range": [
                     0,
                     1
                 ],
-                "is_patch_data": true,
+                "is_patch_data": false,
                 "channel_def": {
                     "0": "background",
                     "1": "spleen"