Remove superfluous condition

src/freedombone-backup-local

@@ -292,9 +292,7 @@ function backup_blocklist {
     if [ ! -d $temp_backup_dir ]; then
         mkdir -p $temp_backup_dir
     fi
-    if [ -f /root/${PROJECT_NAME}-firewall-domains.cfg ]; then
-        cp -f /root/${PROJECT_NAME}-firewall-domains.cfg $temp_backup_dir
-    fi
+    cp -f /root/${PROJECT_NAME}-firewall-domains.cfg $temp_backup_dir
     backup_directory_to_usb $temp_backup_dir blocklist
     rm -rf $temp_backup_dir
 }