removed System Variables

if anyone use the System Variables and want update to v2.5.0 a Compatibility Library is available under https://github.com/REJack/CodeIgniter-Aauth-Compat

application/libraries/Aauth.php

@@ -2306,98 +2306,6 @@ class Aauth {
 		}
 	}
 
-	########################
-	# Aauth System Variables
-	########################
-
-	//tested
-	/**
-	 * Set Aauth System Variable as key value
-	 * if variable not set before, it will be set
-	 * if set, overwrites the value
-	 * @param string $key
-	 * @param string $value
-	 * @return bool
-	 */
-	public function set_system_var( $key, $value ) {
-
-		// if var not set, set
-		if ($this->get_system_var($key) === FALSE) {
-
-			$data = array(
-				'data_key' => $key,
-				'value' => $value,
-			);
-
-			return $this->aauth_db->insert( $this->config_vars['system_variables'] , $data);
-
-		}
-		// if var already set, overwrite
-		else {
-
-			$data = array(
-				'data_key' => $key,
-				'value' => $value,
-			);
-
-			$this->aauth_db->where( 'data_key', $key );
-			return $this->aauth_db->update( $this->config_vars['system_variables'], $data);
-		}
-
-	}
-
-	//tested
-	/**
-	 * Unset Aauth System Variable as key value
-	 * @param string $key
-	 * @return bool
-	 */
-	public function unset_system_var( $key	) {
-
-		$this->aauth_db->where('data_key', $key);
-
-		return $this->aauth_db->delete( $this->config_vars['system_variables'] );
-	}
-
-	//tested
-	/**
-	 * Get Aauth System Variable by key
-	 * Return string of variable value or FALSE
-	 * @param string $key
-	 * @return bool|string , FALSE if var is not set, the value of var if set
-	 */
-	public function get_system_var( $key ){
-
-		$query = $this->aauth_db->where('data_key', $key);
-
-		$query = $this->aauth_db->get( $this->config_vars['system_variables'] );
-
-		// if variable not set
-		if ($query->num_rows() < 1) { return FALSE;}
-
-		else {
-
-			$row = $query->row();
-			return $row->value;
-		}
-	}
-	
-	 /**
-	 * List System Variable Keys
-	 * Return array of variable keys or FALSE
-	 * @return bool|array , FALSE if var is not set, the value of var if set
-	 */
-
-	public function list_system_var_keys(){
-		$query = $this->aauth_db->select('data_key');
-		$query = $this->aauth_db->get( $this->config_vars['system_variables'] );
-		// if variable not set
-		if ($query->num_rows() < 1) { return FALSE;}
-		else {
-			return $query->result();
-		}
-	}
-
 	public function generate_recaptcha_field(){
 		$content = '';
 		if($this->config_vars['ddos_protection'] && $this->config_vars['recaptcha_active']){