Namespace cleanup around Mind Roles (#30965)

* namespaces

* Comment does not need a semicolon

---------

Co-authored-by: Vasilis <vascreeper@yahoo.com>

Content.Server/Ghost/ObserverRoleComponent.cs

@@ -1,11 +1,10 @@
-namespace Content.Server.Ghost
+namespace Content.Server.Ghost;
+
+/// <summary>
+/// This is used to mark Observers properly, as they get Minds
+/// </summary>
+[RegisterComponent]
+public sealed partial class ObserverRoleComponent : Component
 {
-    /// <summary>
-    /// This is used to mark Observers properly, as they get Minds
-    /// </summary>
-    [RegisterComponent]
-    public sealed partial class ObserverRoleComponent : Component
-    {
-        public string Name => Loc.GetString("observer-role-name");
-    }
+    public string Name => Loc.GetString("observer-role-name");
 }