Use more private options for checking Internet connectivity.

sunset-alarm

@@ -51,10 +51,10 @@ fi
 # Internet connectivity check
 ###############################################################################
 check_internet() {
-    if curl -s --max-time 5 -o /dev/null https://www.google.com/generate_204; then
+    if curl -s --max-time 5 -o /dev/null https://hyperling,com; then
         return 0
     fi
-    if curl -s --max-time 5 -o /dev/null https://captive.apple.com/hotspot-detect.html; then
+    if curl -s --max-time 5 -o /dev/null https://mullvad.net; then
         return 0
     fi
     return 1