Removed *.qualtrics.com domains

#110

README.md

@@ -101,7 +101,7 @@ These host files for Unix-like systems, the list contain domains that serve ads,
 
 | Host File | Domain Count | Description | Update Frequency | Raw Link | Mirror Link |
 |:-:|:-:|:-:|:-:|:-:|:-:|
-| adservers.txt | 43,331 | A reliable host file containing advertising domains, trackers, malwares and other unsafe domains. I collect these domains from my Pi-Hole and I test them for a few days before adding to the list. You can request additional domains or report existing domains via [issues](https://github.com/anudeepND/blacklist/issues) tab. | Frequently | [link](https://raw.githubusercontent.com/anudeepND/blacklist/master/adservers.txt) | [link](https://hosts.anudeep.me/mirror/adservers.txt) |
+| adservers.txt | 42,056 | A reliable host file containing advertising domains, trackers, malwares and other unsafe domains. I collect these domains from my Pi-Hole and I test them for a few days before adding to the list. You can request additional domains or report existing domains via [issues](https://github.com/anudeepND/blacklist/issues) tab. | Frequently | [link](https://raw.githubusercontent.com/anudeepND/blacklist/master/adservers.txt) | [link](https://hosts.anudeep.me/mirror/adservers.txt) |
 | facebook.txt | 4,000 | Host file containing domains related to facebook.com. This file doesn't block other Facebook products such as WhatsApp, Instagram etc. If you want to block all Facebook related services, use this [list](https://www.github.developerdan.com/hosts/lists/facebook-extended.txt) created by [lightswitch05](https://github.com/lightswitch05/hosts). | Occasionally | [link](https://raw.githubusercontent.com/anudeepND/blacklist/master/facebook.txt) | [link](https://hosts.anudeep.me/mirror/facebook.txt) |
 | coinminer.txt | 5,940 | This host file was created when JavaScript miners were added to torrent sites. Most of the domain in this file are still active today. I recommend you to use [CoinBlockerLists](https://gitlab.com/ZeroDot1/CoinBlockerLists) by ZeroDot1 along with this list. | Discontinued | [link](https://raw.githubusercontent.com/anudeepND/blacklist/master/CoinMiner.txt) | [link](https://hosts.anudeep.me/mirror/CoinMiner.txt) |