[ticket/13454] Remove unused variables

This is the first part of the changes. More to come.

PHPBB3-13454

phpBB/phpbb/textformatter/s9e/parser.php

@@ -50,7 +50,6 @@ class parser implements \phpbb\textformatter\parser_interface
 
 		$this->dispatcher = $dispatcher;
 		$this->parser = $parser;
-		$parser = $this;
 
 		/**
 		* Configure the parser service
@@ -73,8 +72,6 @@ class parser implements \phpbb\textformatter\parser_interface
 	*/
 	public function parse($text)
 	{
-		$parser = $this;
-
 		/**
 		* Modify a text before it is parsed
 		*

phpBB/phpbb/textformatter/s9e/renderer.php

@@ -104,7 +104,6 @@ class renderer implements \phpbb\textformatter\renderer_interface
 		}
 		$this->dispatcher = $dispatcher;
 		$this->renderer = $renderer;
-		$renderer = $this;
 
 		/**
 		* Configure the renderer service