Use .htaccess to point users to new feed?

So I am trying to use FeedBurner to monitor the number of people reading my feed, but I need to point users to the new feed with .htaccess.

By using a temporary redirect, I can automatically transition over my current readers and still have everyone’s feeds work if I ever stop using FeedBurner.

I found several pages online offering help on this but have successfully confused myself, given my limited level of .htaccess knowledge. Here is one of them: https://forums.feedburner.com/viewtopic.php?t=17

I see the code that they suggest adding, but do not see the code to be removed. Can someone offer a little help here? What do I need to change to my original .htaccess code

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^.*$ - [S=40]
RewriteRule ^(about-us)/trackback/?$ /index.php?pagename=$1&tb=1 [QSA,L]
RewriteRule ^(about-us)/feed/(feed|rdf|rss|rss2|atom)/?$ /index.php?pagename=$1&feed=$2 [QSA,L]
RewriteRule ^(about-us)/(feed|rdf|rss|rss2|atom)/?$ /index.php?pagename=$1&feed=$2 [QSA,L]
RewriteRule ^(about-us)/page/?([0-9]{1,})/?$ /index.php?pagename=$1&paged=$2 [QSA,L]
RewriteRule ^(about-us)(/[0-9]+)?/?$ /index.php?pagename=$1&page=$2 [QSA,L]
RewriteRule ^feed/(feed|rdf|rss|rss2|atom)/?$ /index.php?&feed=$1 [QSA,L]
RewriteRule ^(feed|rdf|rss|rss2|atom)/?$ /index.php?&feed=$1 [QSA,L]
RewriteRule ^page/?([0-9]{1,})/?$ /index.php?&paged=$1 [QSA,L]
RewriteRule ^comments/feed/(feed|rdf|rss|rss2|atom)/?$ /index.php?&feed=$1&withcomments=1 [QSA,L]
RewriteRule ^comments/(feed|rdf|rss|rss2|atom)/?$ /index.php?&feed=$1&withcomments=1 [QSA,L]
RewriteRule ^comments/page/?([0-9]{1,})/?$ /index.php?&paged=$1 [QSA,L]
RewriteRule ^search/(.+)/feed/(feed|rdf|rss|rss2|atom)/?$ /index.php?s=$1&feed=$2 [QSA,L]
RewriteRule ^search/(.+)/(feed|rdf|rss|rss2|atom)/?$ /index.php?s=$1&feed=$2 [QSA,L]
RewriteRule ^search/(.+)/page/?([0-9]{1,})/?$ /index.php?s=$1&paged=$2 [QSA,L]
RewriteRule ^search/(.+)/?$ /index.php?s=$1 [QSA,L]
RewriteRule ^category/(.+)/feed/(feed|rdf|rss|rss2|atom)/?$ /index.php?category_name=$1&feed=$2 [QSA,L]
RewriteRule ^category/(.+)/(feed|rdf|rss|rss2|atom)/?$ /index.php?category_name=$1&feed=$2 [QSA,L]
RewriteRule ^category/(.+)/page/?([0-9]{1,})/?$ /index.php?category_name=$1&paged=$2 [QSA,L]
RewriteRule ^category/(.+)/?$ /index.php?category_name=$1 [QSA,L]
RewriteRule ^author/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$ /index.php?author_name=$1&feed=$2 [QSA,L]
RewriteRule ^author/([^/]+)/(feed|rdf|rss|rss2|atom)/?$ /index.php?author_name=$1&feed=$2 [QSA,L]
RewriteRule ^author/([^/]+)/page/?([0-9]{1,})/?$ /index.php?author_name=$1&paged=$2 [QSA,L]
RewriteRule ^author/([^/]+)/?$ /index.php?author_name=$1 [QSA,L]
RewriteRule ^([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/feed/(feed|rdf|rss|rss2|atom)/?$ /index.php?year=$1&monthnum=$2&day=$3&feed=$4 [QSA,L]
RewriteRule ^([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/(feed|rdf|rss|rss2|atom)/?$ /index.php?year=$1&monthnum=$2&day=$3&feed=$4 [QSA,L]
RewriteRule ^([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/page/?([0-9]{1,})/?$ /index.php?year=$1&monthnum=$2&day=$3&paged=$4 [QSA,L]
RewriteRule ^([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/?$ /index.php?year=$1&monthnum=$2&day=$3 [QSA,L]
RewriteRule ^([0-9]{4})/([0-9]{1,2})/feed/(feed|rdf|rss|rss2|atom)/?$ /index.php?year=$1&monthnum=$2&feed=$3 [QSA,L]
RewriteRule ^([0-9]{4})/([0-9]{1,2})/(feed|rdf|rss|rss2|atom)/?$ /index.php?year=$1&monthnum=$2&feed=$3 [QSA,L]
RewriteRule ^([0-9]{4})/([0-9]{1,2})/page/?([0-9]{1,})/?$ /index.php?year=$1&monthnum=$2&paged=$3 [QSA,L]
RewriteRule ^([0-9]{4})/([0-9]{1,2})/?$ /index.php?year=$1&monthnum=$2 [QSA,L]
RewriteRule ^([0-9]{4})/feed/(feed|rdf|rss|rss2|atom)/?$ /index.php?year=$1&feed=$2 [QSA,L]
RewriteRule ^([0-9]{4})/(feed|rdf|rss|rss2|atom)/?$ /index.php?year=$1&feed=$2 [QSA,L]
RewriteRule ^([0-9]{4})/page/?([0-9]{1,})/?$ /index.php?year=$1&paged=$2 [QSA,L]
RewriteRule ^([0-9]{4})/?$ /index.php?year=$1 [QSA,L]
RewriteRule ^([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/([^/]+)/trackback/?$ /index.php?year=$1&monthnum=$2&day=$3&name=$4&tb=1 [QSA,L]
RewriteRule ^([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/([^/]+)/feed/(feed|rdf|rss|rss2|atom)/?$ /index.php?year=$1&monthnum=$2&day=$3&name=$4&feed=$5 [QSA,L]
RewriteRule ^([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/([^/]+)/(feed|rdf|rss|rss2|atom)/?$ /index.php?year=$1&monthnum=$2&day=$3&name=$4&feed=$5 [QSA,L]
RewriteRule ^([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/([^/]+)/page/?([0-9]{1,})/?$ /index.php?year=$1&monthnum=$2&day=$3&name=$4&paged=$5 [QSA,L]
RewriteRule ^([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/([^/]+)(/[0-9]+)?/?$ /index.php?year=$1&monthnum=$2&day=$3&name=$4&page=$5 [QSA,L]
</IfModule>