Fix eslint rule object-curly-spacing

.eslintrc.es6.json

@@ -94,7 +94,6 @@
     "no-irregular-whitespace": 0,
     "padded-blocks": 0,
     "no-underscore-dangle": 0,
-    "object-curly-spacing": 0,
     "no-undef": 0
   }
 }

assets/js/src/help/system_info.jsx

@@ -35,7 +35,7 @@ function KnowledgeBase() {
 
       <Tabs tab="systemInfo" />
 
-      <div className="mailpoet_notice notice inline notice-success" style={{marginTop: "1em"}}>
+      <div className="mailpoet_notice notice inline notice-success" style={{ marginTop: "1em" }}>
         <p>{MailPoet.I18n.t('systemInfoIntro')}</p>
       </div>
 

assets/js/src/newsletters/listings/mixins.jsx

@@ -69,7 +69,7 @@ const _QueueMixin = {
       }
       const progressClasses = classNames(
         'mailpoet_progress',
-        { 'mailpoet_progress_complete': newsletter.queue.status === 'completed'}
+        { 'mailpoet_progress_complete': newsletter.queue.status === 'completed' }
       );
 
       // calculate percentage done
@@ -128,7 +128,7 @@ const _QueueMixin = {
           <div className={ progressClasses }>
               <span
                 className="mailpoet_progress_bar"
-                style={ { width: progress_bar_width + "%"} }
+                style={ { width: progress_bar_width + "%" } }
               ></span>
               <span className="mailpoet_progress_label">
                 { percentage }

assets/js/src/subscribers/list.jsx

@@ -310,7 +310,7 @@ const SubscriberList = React.createClass({
               to={ `/edit/${ subscriber.id }` }
             >{ subscriber.email }</Link>
           </strong>
-          <p style={{margin: 0}}>
+          <p style={{ margin: 0 }}>
             { subscriber.first_name } { subscriber.last_name }
           </p>
           { actions }