Minor code optimization

Author: gergo85

classes/ConfirmationHandler.php

@@ -1,6 +1,5 @@
 <?php namespace Indikator\News\Classes;
 
-use Hash;
 use Backend;
 use Mail;
 

classes/NewsSender.php

@@ -8,7 +8,6 @@
 use Log;
 use BackendAuth;
 use Db;
-use Illuminate\Support\Collection;
 use System\Classes\PluginManager;
 use Indikator\News\Models\Logs;
 use Indikator\News\Models\Posts;
@@ -120,7 +119,7 @@ protected function sendToActiveSubscribers()
     {
         $activeSubscribers = Subscribers::where('status', 1);
 
-        if(Settings::get('newsletter_subscriber_categories')) {
+        if (Settings::get('newsletter_subscriber_categories')) {
             $categoryIds = $this->news->categories()->lists('id');
             $activeSubscribers->filterCategories($categoryIds);
         }

classes/SubscriberService.php

@@ -1,8 +1,6 @@
 <?php namespace Indikator\News\Classes;
 
-use Indikator\News\Models\Categories;
 use Indikator\News\Models\Settings;
-use Db;
 
 trait SubscriberService
 {

updates/add_nested_categories_support.php

@@ -22,7 +22,7 @@ public function up()
             ->orderBy('sort_order')
             ->get();
 
-        for($i = 0; $i < count($categories); $i++) {
+        for ($i = 0; $i < count($categories); $i++) {
             $category = $categories[$i];
 
             $category->parent_id = null;

updates/create_categories_table.php

@@ -9,7 +9,6 @@ public function up()
     {
         Schema::create('indikator_news_categories', function($table)
         {
-            
             $table->increments('id');
             $table->string('name', 100);
             $table->string('slug', 100);
@@ -23,7 +22,6 @@ public function up()
 
         Schema::create('indikator_news_relations', function($table)
         {
-            
             $table->integer('subscriber_id')->unsigned();
             $table->integer('categories_id')->unsigned();
             $table->primary(['subscriber_id', 'categories_id']);

updates/create_logs_table.php

@@ -9,7 +9,6 @@ public function up()
     {
         Schema::create('indikator_news_newsletter_logs', function($table)
         {
-            
             $table->increments('id');
             $table->integer('news_id')->nullable()->unsigned();
             $table->integer('subscriber_id')->nullable()->unsigned();

updates/create_posts_categories_table.php

@@ -10,7 +10,6 @@ public function up()
     {
         Schema::create('indikator_news_posts_categories', function($table)
         {
-            
             $table->integer('post_id')->unsigned();
             $table->integer('category_id')->unsigned();
             $table->primary(['post_id', 'category_id']);

updates/create_posts_table.php

@@ -9,7 +9,6 @@ public function up()
     {
         Schema::create('news_posts', function($table)
         {
-            
             $table->increments('id');
             $table->string('title', 100);
             $table->string('slug', 100);

updates/create_subscribers_table.php

@@ -9,7 +9,6 @@ public function up()
     {
         Schema::create('news_subscribers', function($table)
         {
-            
             $table->increments('id');
             $table->string('name', 100);
             $table->string('email', 100);