Remove unneeded check

Now we are on 1.10.x

Author: barryvdh

src/LaravelDebugBar.php

@@ -154,11 +154,9 @@ function () use ($debugbar) {
         if ($this->shouldCollect('exceptions', true)) {
             try {
                 $exceptionCollector = new ExceptionsCollector();
-                if (method_exists($exceptionCollector, 'setChainExceptions')) {
-                    $exceptionCollector->setChainExceptions(
-                        $this->app['config']->get('laravel-debugbar::config.options.exceptions.chain', true)
-                    );
-                }
+                $exceptionCollector->setChainExceptions(
+                    $this->app['config']->get('laravel-debugbar::config.options.exceptions.chain', true)
+                );
                 $this->addCollector($exceptionCollector);
                 if ($this->checkVersion('5.0', '<')) {
 	                $this->app->error(
@@ -302,7 +300,7 @@ function ($level, $message, $context) use ($logger) {
                 $types = $this->app['config']->get('laravel-debugbar::config.options.db.explain.types');
                 $queryCollector->setExplainSource(true, $types);
             }
-            
+
             if ($this->app['config']->get('laravel-debugbar::config.options.db.hints', true)) {
                 $queryCollector->setShowHints(true);
             }