Revert "plutonium core steal objective" (#29578)

Revert "plutonium core steal objective (#26786)"

This reverts commit f6ce07289a.

Content.Server/Objectives/Components/StoreUnlockerComponent.cs

@@ -1,14 +0,0 @@
-using Content.Shared.Store;
-using Robust.Shared.Prototypes;
-
-namespace Content.Server.Objectives.Components;
-
-/// <summary>
-/// Unlocks store listings that use <see cref="ObjectiveUnlockCondition"/>.
-/// </summary>
-[RegisterComponent]
-public sealed partial class StoreUnlockerComponent : Component
-{
-    [DataField(required: true)]
-    public List<ProtoId<ListingPrototype>> Listings = new();
-}

Content.Server/Objectives/Systems/StoreUnlockerSystem.cs

@@ -1,34 +0,0 @@
-using Content.Server.Objectives.Components;
-using Content.Shared.Mind;
-
-namespace Content.Server.Objectives.Systems;
-
-/// <summary>
-/// Provides api for listings with <c>ObjectiveUnlockRequirement</c> to use.
-/// </summary>
-public sealed class StoreUnlockerSystem : EntitySystem
-{
-    private EntityQuery<StoreUnlockerComponent> _query;
-
-    public override void Initialize()
-    {
-        _query = GetEntityQuery<StoreUnlockerComponent>();
-    }
-
-    /// <summary>
-    /// Returns true if a listing id is unlocked by any objectives on a mind.
-    /// </summary>
-    public bool IsUnlocked(MindComponent mind, string id)
-    {
-        foreach (var obj in mind.Objectives)
-        {
-            if (!_query.TryComp(obj, out var comp))
-                continue;
-
-            if (comp.Listings.Contains(id))
-                return true;
-        }
-
-        return false;
-    }
-}