Optimized Reihungstest-chronjob code

. Optimized code by retreiving data directly via model.
. Extended SQL query: study courses are now checked for active = true

application/libraries/ReihungstestLib.php

@@ -81,27 +81,4 @@ class ReihungstestLib
 		
 		return false;
 	}
-	
-	/**
-	 * Checks if there are active studyplans which have no public placement tests assigned yet.
-	 * Only check studyplans that are
-	 *	- bachelor, 
-	 *	- active, 
-	 *	- set as online application
-	 *  - valid for 1st term
-	 * @return type
-	 */
-	public function checkMissingReihungstest()
-	{
-		return $this->ci->ReihungstestModel->checkMissingReihungstest();
-	}
-	
-	/**	Gets amount of free places.
-	 *  Retrieves faculty and amount of free places for each public placement test date.
-	 * @return array
-	 */
-	public function getFreePlaces()
-	{
-		return $this->ci->ReihungstestModel->getFreePlaces();
-	}
 }