Cleaner implementation of the api version getter

ref #76

src/apispec.ts

@@ -1,6 +1,5 @@
 import { MetadataArgsStorage } from 'routing-controllers';
 import { routingControllersToSpec } from 'routing-controllers-openapi';
-import { config } from './config';
 
 /**
  * This function generates a the openapi spec from route metadata and type schemas.
@@ -44,7 +43,7 @@ export function generateSpec(storage: MetadataArgsStorage, schemas) {
             info: {
                 description: "The the backend API for the LfK! runner system.",
                 title: "LfK! Backend API",
-                version: config.package_version,
+                version: process.env.npm_package_version
             },
         }
     );