checks: Update Killer link

Update the Killer driver download link.

checks/network.py

@@ -27,7 +27,7 @@ def checkDrop(lines):
 def checkKiller(lines):
     if (len(search('Interface: Killer', lines)) > 0):
         return [LEVEL_INFO, "Killer NIC",
-                """Killer's Firewall is known for it's poor performance and issues when trying to stream. Please download the driver pack from <a href="https://www.killernetworking.com/killersupport/driver-downloads/category/other-downloads">the vendor's page</a> , completely uninstall all Killer NIC items and install their Driver only package."""]
+                """Killer's Software Suite is known for its poor performance and issues when trying to stream. Please download the package from <a href="https://www.intel.com/content/www/us/en/download/19779/intel-killer-performance-suite.html">the vendor's page</a> , completely uninstall all Killer NIC items and run the installer, choosing to only install the Hardware Drivers."""]
 
 
 def checkVantage(lines):