Remove compression middleware

Related simcaq/SCRUM#513
Related simcaq/SCRUM#477

package.json

@@ -25,7 +25,6 @@
     "chai-http": "^3.0.0",
     "chai-xml": "^0.3.2",
     "chalk": "^1.1.3",
-    "compression": "^1.7.3",
     "cookie-parser": "^1.3.5",
     "cors": "^2.8.4",
     "csv-express": "^1.2.2",

src/libs/app.js

@@ -4,7 +4,6 @@ const bodyParser = require('body-parser');
 const methodOverride = require('method-override');
 const cors = require('cors');
 const squel = require('squel');
-const compression = require('compression');
 
 const libs = `${process.cwd()}/libs`;
 
@@ -12,7 +11,6 @@ const log = require(`${libs}/log`)(module);
 
 process.env.NODE_ENV = process.env.NODE_ENV || 'development';
 const config = require(`${libs}/config`);
-const cache = require('apicache').options({ debug: config.debug }).middleware;
 
 const app = express();
 
@@ -26,7 +24,6 @@ const db = mongoose();
 
 require(`${libs}/middlewares/passport`);
 
-app.use(compression({level: 6}));
 app.use(bodyParser.json({limit: '50mb'}));
 app.use(bodyParser.urlencoded({ extended: true, limit: '50mb' }));
 app.use(cookieParser());