Remove debug globals (#12811)

* Remove $debug global
and $vdebug global
makes these variables more accessible and protects from collisions.

* the on boot set sends application as the first parameter, just handle that

* Relocate other debug related functions

* Log debug to stdout

* Wrong output

* remove stupid constants

* Fix lint and style issues

daily.php

@@ -11,6 +11,7 @@ use App\Models\DeviceGroup;
 use Illuminate\Database\Eloquent\Collection;
 use LibreNMS\Alert\AlertDB;
 use LibreNMS\Config;
+use LibreNMS\Util\Debug;
 use LibreNMS\Validations\Php;
 
 $init_modules = ['alerts'];
@@ -21,7 +22,7 @@ $options = getopt('df:o:t:r:');
 
 if (isset($options['d'])) {
     echo "DEBUG\n";
-    $debug = true;
+    Debug::set();
 }
 
 if ($options['f'] === 'update') {