chore: cleanup

Author: Akryum

packages/build-tools/src/createConfig.js

@@ -121,7 +121,7 @@ exports.createConfig = (config, target = { chrome: 52, firefox: 48 }) => {
             compress: {
               // turn off flags with small gains to speed up minification
               arrows: false,
-              collapse_vars: false, // 0.3kb
+              collapse_vars: false,
               comparisons: false,
               computed_props: false,
               hoist_funs: false,
@@ -139,10 +139,10 @@ exports.createConfig = (config, target = { chrome: 52, firefox: 48 }) => {
 
               // a few flags with noticable gains/speed ratio
               // numbers based on out of the box vendor bundle
-              booleans: true, // 0.7kb
-              if_return: true, // 0.4kb
-              sequences: true, // 0.7kb
-              unused: true, // 2.3kb
+              booleans: true,
+              if_return: true,
+              sequences: true,
+              unused: true,
 
               // required features to drop conditional branches
               conditionals: true,