ref_int : update logging example configuration

Author: ShivamPatidar24

showcases/standalone/logging.score.json

@@ -1,5 +1,4 @@
-[
-  {
+{
     "name": "Logging example",
     "description": "Example for running logging with all log levels via remote and console",
     "apps": [
@@ -16,19 +15,12 @@
         "args": [],
         "env": {},
         "dir": "/showcases/data/logging/logging_app/etc"
-      }
-    ]
-  },
-  {
-    "name": "logging : dlt Generator example",
-    "description": "Example for generating DLT log messages",
-    "apps": [
-      {
+      },
+       {
         "path": "/showcases/bin/dlt_generator",
         "args": [],
         "env": {},
         "dir": "/showcases/data/logging/dlt_generator/etc"
       }
     ]
-  }
-]
+  }