1eca51b follow-up, nuke command.permission from orbit; it was only duplicating data already stored in the core.

Port From (https://github.com/TrinityCore/TrinityCore/commit/46d4e2fa8378eed414c07eb161a19b772c474735)

Source/Game/Chat/Commands/LearnCommands.cs

@@ -25,7 +25,7 @@ using System.Collections.Generic;
 
 namespace Game.Chat.Commands
 {
-    [CommandGroup("learn", RBACPermissions.CommandLearn)]
+    [CommandGroup("learn")]
     class LearnCommands
     {
         [Command("", RBACPermissions.CommandLearn)]
@@ -72,7 +72,7 @@ namespace Game.Chat.Commands
             return true;
         }
 
-        [CommandGroup("all", RBACPermissions.CommandLearnAll)]
+        [CommandGroup("all")]
         class LearnAllCommands
         {
             [Command("gm", RBACPermissions.CommandLearnAllGm)]
@@ -239,7 +239,7 @@ namespace Game.Chat.Commands
                 }
             }
 
-            [CommandGroup("my", RBACPermissions.CommandLearnAllMy)]
+            [CommandGroup("my")]
             class LearnAllMyCommands
             {
                 [Command("class", RBACPermissions.CommandLearnAllMyClass)]