Remove trailing slash from OpenAPI spec

Author: ValentaTomas

openapi.yaml

@@ -131,4 +131,4 @@ paths:
       summary: Write content to a file at the given path
 servers:
 - description: Local development
-  url: http://localhost:3000/
+  url: http://localhost:3000

tsoa.json

@@ -13,7 +13,7 @@
     "spec": {
     "servers": [
         {
-          "url": "http://localhost:3000/",
+          "url": "http://localhost:3000",
           "description": "Local development"
         }
       ]