removing unused code

Author: weaverryan

src/Directive/TabDirective.php

@@ -10,12 +10,9 @@
 namespace SymfonyDocsBuilder\Directive;
 
 use Doctrine\RST\Directives\SubDirective;
-use Doctrine\RST\Nodes\CodeNode;
 use Doctrine\RST\Nodes\Node;
-use Doctrine\RST\Nodes\QuoteNode;
 use Doctrine\RST\Parser;
 use SymfonyDocsBuilder\Node\GroupTabNode;
-use function strtoupper;
 
 /**
  * Directive that only appears within the "tabs" directive.

src/Directive/TabsDirective.php

@@ -10,12 +10,9 @@
 namespace SymfonyDocsBuilder\Directive;
 
 use Doctrine\RST\Directives\SubDirective;
-use Doctrine\RST\Nodes\CodeNode;
 use Doctrine\RST\Nodes\Node;
-use Doctrine\RST\Nodes\QuoteNode;
 use Doctrine\RST\Parser;
 use SymfonyDocsBuilder\Node\GroupTabNode;
-use function strtoupper;
 
 class TabsDirective extends SubDirective
 {