disable reverse_http methods from upexec and shell payloads

These don't work over http and don't appear to have ever, as far back as
I could test. They appear to be an accident perhaps.

Author: Brent Cook

modules/payloads/stages/windows/shell.rb

@@ -23,7 +23,7 @@ def initialize(info = {})
       'Session'       => Msf::Sessions::CommandShellWindows,
       'PayloadCompat' =>
         {
-          'Convention' => 'sockedi -https'
+          'Convention' => 'sockedi -http -https'
         },
       'Stage'         =>
         {

modules/payloads/stages/windows/upexec.rb

@@ -23,7 +23,7 @@ def initialize(info = {})
       'Session'       => Msf::Sessions::CommandShellWindows,
       'PayloadCompat' =>
         {
-          'Convention' => 'sockedi -https'
+          'Convention' => 'sockedi -http -https'
         },
       'Stage'         =>
         {

modules/payloads/stages/windows/x64/shell.rb

@@ -23,7 +23,7 @@ def initialize(info = {})
       'Session'       => Msf::Sessions::CommandShellWindows,
       'PayloadCompat' =>
         {
-          'Convention' => 'sockrdi'
+          'Convention' => 'sockrdi -http -https'
         },
       'Stage'         =>
         {