[#358] Remove unused variables

Author: catarak

server/controllers/aws.controller.js

@@ -20,9 +20,8 @@ const client = s3.createClient({
   },
 });
 
-const bucketBase = process.env.S3_BUCKET_URL_BASE;
-const s3Url = `https://s3-${process.env.AWS_REGION}.amazonaws.com/${process.env.S3_BUCKET}/`;
-const s3Bucket = bucketBase || s3Url;
+const s3Bucket = process.env.S3_BUCKET_URL_BASE ||
+  `https://s3-${process.env.AWS_REGION}.amazonaws.com/${process.env.S3_BUCKET}/`;
 
 function getExtension(filename) {
   const i = filename.lastIndexOf('.');