Fix Incorrect CURL Request Example in README (#287)

examples/usage/triton/README.md

@@ -29,13 +29,7 @@ Send request to the server:
 curl -X POST http://localhost:8000/v2/models/character_generation/generate \
 -H "Content-Type: application/json" \
 -d '{
-           "inputs": [
+  "INPUT_TEXT": ["harry"]
-               {
-                   "name": "INPUT_TEXT",
-                   "datatype": "STRING",
-                   "shape": [1],
-                   "data": ["Name1"]
-               }
-           ]
 }'
+
 ```