Land #20297, converts Privileged property to Bool

Modules: Convert Privileged property to Boolean in several modules

modules/exploits/multi/http/uptime_file_upload_2.rb

@@ -40,7 +40,7 @@ class MetasploitModule < Msf::Exploit::Remote
        'Platform'       => ['php'],
        'Arch'           => ARCH_PHP,
        'Targets'        => [['Automatic', {}]],
-       'Privileged'     => 'true',
+       'Privileged'     => true,
        'DefaultTarget'  => 0,
        # The post2file.php vuln was reported in 2013 by Denis Andzakovic. And then on Aug 2015,
        # it was discovered again by Ewerson 'Crash' Guimaraes.

modules/exploits/unix/http/pfsense_graph_injection_exec.rb

@@ -36,7 +36,7 @@ class MetasploitModule < Msf::Exploit::Remote
           ],
         'License'        => MSF_LICENSE,
         'Platform'       => 'php',
-        'Privileged'     => 'true',
+        'Privileged'     => true,
         'DefaultOptions' =>
           {
             'SSL'     => true,