Remove outdated adlists.list check and fix empty adlists error message

Signed-off-by: Mcat12 <newtoncat12@yahoo.com>

advanced/index.php

@@ -102,15 +102,6 @@ if ($blocklistglob === array()) {
     die("[ERROR] There are no domain lists generated lists within <code>/etc/pihole/</code>! Please update gravity by running <code>pihole -g</code>, or repair Pi-hole using <code>pihole -r</code>.");
 }
 
-// Set location of adlists file
-if (is_file("/etc/pihole/adlists.list")) {
-    $adLists = "/etc/pihole/adlists.list";
-} elseif (is_file("/etc/pihole/adlists.default")) {
-    $adLists = "/etc/pihole/adlists.default";
-} else {
-    die("[ERROR] File not found: <code>/etc/pihole/adlists.list</code>");
-}
-
 // Get possible non-standard location of FTL's database
 $FTLsettings = parse_ini_file("/etc/pihole/pihole-FTL.conf");
 if (isset($FTLsettings["GRAVITYDB"])) {
@@ -134,7 +125,7 @@ while ($row = $adlistResults->fetchArray()) {
 }
 
 if (empty($adlistsUrls))
-    die("[ERROR]: There are no adlists configured");
+    die("[ERROR]: There are no adlists enabled");
 
 // Get total number of blocklists (Including Whitelist, Blacklist & Wildcard lists)
 $adlistsCount = count($adlistsUrls) + 3;