remove pseudo-mock code

Not required, not used by any committed code

lib/Cake/Test/Case/Network/CakeRequestTest.php

@@ -23,8 +23,6 @@ App::uses('CakeRequest', 'Network');
 
 class TestCakeRequest extends CakeRequest {
 
-	public $input;
-
 	public function reConstruct($url = 'some/path', $parseEnvironment = true) {
 		$this->_base();
 		if (empty($url)) {
@@ -43,10 +41,6 @@ class TestCakeRequest extends CakeRequest {
 		$this->here = $this->base . '/' . $this->url;
 	}
 
-	protected function _readInput() {
-		return $this->input;
-	}
-
 }
 
 class CakeRequestTest extends CakeTestCase {