Update learn.json

Author: Lorenagubaira

learn.json

@@ -19,7 +19,7 @@
 	"graded": true,
 	"editor": {
 	    "version": "5.0",
-		"agent": "vscode",
+		"agent": "vscode"
 	},
 	"telemetry": {
 		"batch": "https://breathecode.herokuapp.com/v1/assignment/me/telemetry?asset_id=149"