You need to open your header.php file and search in that file for this
<p class="footer"> some php will be here </p>
You can delete that entire line or comment it out. You should be able to access the header.php file from the backend of WordPress. If you are not comfortable doing this, open the header.php file. Copy all the text in that file and paste it here in your question above by editing the question and someone will show you what to remove.
Just login to your church site. Under the appearance tab, you will see an option that says “Editor”. Choose that and then look at the list of files that will be on the right. Look for header.php and copy that code here.