more component ref removal + combining server/client comps (#13178)

Co-authored-by: DrSmugleaf <DrSmugleaf@users.noreply.github.com>

Content.Server/Humanoid/Components/HumanoidComponent.cs

@@ -1,38 +0,0 @@
-using Content.Shared.Humanoid;
-using Content.Shared.Humanoid.Markings;
-using Content.Shared.Preferences;
-using Robust.Shared.Enums;
-
-namespace Content.Server.Humanoid;
-
-[RegisterComponent]
-public sealed class HumanoidComponent : SharedHumanoidComponent
-{
-    public MarkingSet CurrentMarkings = new();
-
-    /// <summary>
-    ///     Any custom base layers this humanoid might have. See:
-    ///     limb transplants (potentially), robotic arms, etc.
-    ///     Stored on the server, this is merged in the client into
-    ///     all layer settings.
-    /// </summary>
-    [ViewVariables(VVAccess.ReadOnly)]
-    public Dictionary<HumanoidVisualLayers, CustomBaseLayerInfo> CustomBaseLayers = new();
-
-    public HashSet<HumanoidVisualLayers> PermanentlyHidden = new();
-
-    public HashSet<HumanoidVisualLayers> AllHiddenLayers
-    {
-        get
-        {
-            var result = new HashSet<HumanoidVisualLayers>(HiddenLayers);
-            result.UnionWith(PermanentlyHidden);
-
-            return result;
-        }
-    }
-
-    // Couldn't these be somewhere else?
-    [ViewVariables] public Gender Gender = default!;
-    [ViewVariables] public int Age = 18;
-}