remove zopfli compression temporarily until a better solution is found

config/webpack.config.js

@@ -277,14 +277,9 @@ if (IS_PRODUCTION) {
     })
   );
 
-  // zopfli requires a lot of compute time and is disabled in CI
+  // compression can require a lot of compute time and is disabled in CI
   if (!NO_COMPRESSION) {
-    // gracefully fall back to gzip if `node-zopfli` is unavailable (e.g. in CentOS 6)
-    try {
-      config.plugins.push(new CompressionPlugin({ algorithm: 'zopfli' }));
-    } catch(err) {
-      config.plugins.push(new CompressionPlugin({ algorithm: 'gzip' }));
-    }
+    config.plugins.push(new CompressionPlugin());
   }
 }
 

package.json

@@ -20,7 +20,7 @@
     "babel-preset-latest": "^6.24.0",
     "babel-preset-stage-2": "^6.22.0",
     "bootstrap-sass": "^3.3.6",
-    "compression-webpack-plugin": "^0.3.2",
+    "compression-webpack-plugin": "^1.0.0",
     "copy-webpack-plugin": "^4.0.1",
     "core-js": "^2.4.1",
     "cropper": "^2.3.0",