Don't use Yii::$app->params for class config

[cebe]

yii2-splunk-log-target/src/SplunkTarget.php

Lines 41 to 42 in 47775e6

	curl_setopt($ch, CURLOPT_URL, Yii::$app->params['splunk']['url']);
	curl_setopt($ch, CURLOPT_USERPWD, Yii::$app->params['splunk']['token']);

these should be class properties instead and should be configured directly in the log target.